21318384048

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{2557}}^1$

素因数の和:3043

約数の個数: 160

約数和(自身を含む): 61388070912

約数和(自身を除く): 40069686864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 431, 496, 624, 744, 806, 862, 1209, 1293, 1488, 1612, 1724, 2418, 2557, 2586, 3224, 3448, 4836, 5114, 5172, 5603, 6448, 6896, 7671, 9672, 10228, 10344, 11206, 13361, 15342, 16809, 19344, 20456, 20688, 22412, 26722, 30684, 33241, 33618, 40083, 40912, 44824, 53444, 61368, 66482, 67236, 79267, 80166, 89648, 99723, 106888, 122736, 132964, 134472, 158534, 160332, 173693, 199446, 213776, 237801, 265928, 268944, 317068, 320664, 347386, 398892, 475602, 521079, 531856, 634136, 641328, 694772, 797784, 951204, 1030471, 1042158, 1102067, 1268272, 1389544, 1595568, 1902408, 2060942, 2084316, 2204134, 2779088, 3091413, 3306201, 3804816, 4121884, 4168632, 4408268, 6182826, 6612402, 8243768, 8337264, 8816536, 12365652, 13224804, 14326871, 16487536, 17633072, 24731304, 26449608, 28653742, 34164077, 42980613, 49462608, 52899216, 57307484, 68328154, 85961226, 102492231, 114614968, 136656308, 171922452, 204984462, 229229936, 273312616, 343844904, 409968924, 444133001, 546625232, 687689808, 819937848, 888266002, 1332399003, 1639875696, 1776532004, 2664798006, 3553064008, 5329596012, 7106128016, 10659192024, 21318384048]

約数ペア:

[(1, 21318384048), (2, 10659192024), (3, 7106128016), (4, 5329596012), (6, 3553064008), (8, 2664798006), (12, 1776532004), (13, 1639875696), (16, 1332399003), (24, 888266002), (26, 819937848), (31, 687689808), (39, 546625232), (48, 444133001), (52, 409968924), (62, 343844904), (78, 273312616), (93, 229229936), (104, 204984462), (124, 171922452), (156, 136656308), (186, 114614968), (208, 102492231), (248, 85961226), (312, 68328154), (372, 57307484), (403, 52899216), (431, 49462608), (496, 42980613), (624, 34164077), (744, 28653742), (806, 26449608), (862, 24731304), (1209, 17633072), (1293, 16487536), (1488, 14326871), (1612, 13224804), (1724, 12365652), (2418, 8816536), (2557, 8337264), (2586, 8243768), (3224, 6612402), (3448, 6182826), (4836, 4408268), (5114, 4168632), (5172, 4121884), (5603, 3804816), (6448, 3306201), (6896, 3091413), (7671, 2779088), (9672, 2204134), (10228, 2084316), (10344, 2060942), (11206, 1902408), (13361, 1595568), (15342, 1389544), (16809, 1268272), (19344, 1102067), (20456, 1042158), (20688, 1030471), (22412, 951204), (26722, 797784), (30684, 694772), (33241, 641328), (33618, 634136), (40083, 531856), (40912, 521079), (44824, 475602), (53444, 398892), (61368, 347386), (66482, 320664), (67236, 317068), (79267, 268944), (80166, 265928), (89648, 237801), (99723, 213776), (106888, 199446), (122736, 173693), (132964, 160332), (134472, 158534)]