21332081988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{367}}^1\times {\mathrm{397}}^1$

素因数の和:871

約数の個数: 216

約数和(自身を含む): 63815536512

約数和(自身を除く): 42483454524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 83, 84, 98, 126, 147, 166, 196, 249, 252, 294, 332, 367, 397, 441, 498, 581, 588, 734, 747, 794, 882, 996, 1101, 1162, 1191, 1468, 1494, 1588, 1743, 1764, 2202, 2324, 2382, 2569, 2779, 2988, 3303, 3486, 3573, 4067, 4404, 4764, 5138, 5229, 5558, 6606, 6972, 7146, 7707, 8134, 8337, 10276, 10458, 11116, 12201, 13212, 14292, 15414, 16268, 16674, 17983, 19453, 20916, 23121, 24402, 25011, 30461, 30828, 32951, 33348, 35966, 36603, 38906, 46242, 48804, 50022, 53949, 58359, 60922, 65902, 71932, 73206, 77812, 91383, 92484, 98853, 100044, 107898, 116718, 121844, 131804, 145699, 146412, 161847, 175077, 182766, 197706, 213227, 215796, 230657, 233436, 274149, 291398, 296559, 323694, 350154, 365532, 395412, 426454, 437097, 461314, 548298, 582796, 593118, 639681, 647388, 691971, 700308, 852908, 874194, 922628, 1019893, 1096596, 1186236, 1279362, 1311291, 1383942, 1492589, 1614599, 1748388, 1919043, 2039786, 2075913, 2558724, 2622582, 2767884, 2985178, 3059679, 3229198, 3838086, 4079572, 4151826, 4477767, 4843797, 5245164, 5970356, 6119358, 6458396, 7139251, 7676172, 8303652, 8955534, 9179037, 9687594, 12093017, 12238716, 13433301, 14278502, 14531391, 17911068, 18358074, 19375188, 21417753, 24186034, 26866602, 28557004, 29062782, 36279051, 36716148, 42835506, 48372068, 53733204, 58125564, 64253259, 72558102, 84651119, 85671012, 108837153, 128506518, 145116204, 169302238, 217674306, 253953357, 257013036, 338604476, 435348612, 507906714, 592557833, 761860071, 1015813428, 1185115666, 1523720142, 1777673499, 2370231332, 3047440284, 3555346998, 5333020497, 7110693996, 10666040994, 21332081988]

約数ペア:

[(1, 21332081988), (2, 10666040994), (3, 7110693996), (4, 5333020497), (6, 3555346998), (7, 3047440284), (9, 2370231332), (12, 1777673499), (14, 1523720142), (18, 1185115666), (21, 1015813428), (28, 761860071), (36, 592557833), (42, 507906714), (49, 435348612), (63, 338604476), (83, 257013036), (84, 253953357), (98, 217674306), (126, 169302238), (147, 145116204), (166, 128506518), (196, 108837153), (249, 85671012), (252, 84651119), (294, 72558102), (332, 64253259), (367, 58125564), (397, 53733204), (441, 48372068), (498, 42835506), (581, 36716148), (588, 36279051), (734, 29062782), (747, 28557004), (794, 26866602), (882, 24186034), (996, 21417753), (1101, 19375188), (1162, 18358074), (1191, 17911068), (1468, 14531391), (1494, 14278502), (1588, 13433301), (1743, 12238716), (1764, 12093017), (2202, 9687594), (2324, 9179037), (2382, 8955534), (2569, 8303652), (2779, 7676172), (2988, 7139251), (3303, 6458396), (3486, 6119358), (3573, 5970356), (4067, 5245164), (4404, 4843797), (4764, 4477767), (5138, 4151826), (5229, 4079572), (5558, 3838086), (6606, 3229198), (6972, 3059679), (7146, 2985178), (7707, 2767884), (8134, 2622582), (8337, 2558724), (10276, 2075913), (10458, 2039786), (11116, 1919043), (12201, 1748388), (13212, 1614599), (14292, 1492589), (15414, 1383942), (16268, 1311291), (16674, 1279362), (17983, 1186236), (19453, 1096596), (20916, 1019893), (23121, 922628), (24402, 874194), (25011, 852908), (30461, 700308), (30828, 691971), (32951, 647388), (33348, 639681), (35966, 593118), (36603, 582796), (38906, 548298), (46242, 461314), (48804, 437097), (50022, 426454), (53949, 395412), (58359, 365532), (60922, 350154), (65902, 323694), (71932, 296559), (73206, 291398), (77812, 274149), (91383, 233436), (92484, 230657), (98853, 215796), (100044, 213227), (107898, 197706), (116718, 182766), (121844, 175077), (131804, 161847), (145699, 146412)]