21145291254

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{2857}}^1$

素因数の和:2987

約数の個数: 144

約数和(自身を含む): 51979634928

約数和(自身を除く): 30834343674

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 67, 102, 114, 134, 153, 171, 201, 306, 323, 342, 361, 402, 603, 646, 722, 969, 1083, 1139, 1206, 1273, 1938, 2166, 2278, 2546, 2857, 2907, 3249, 3417, 3819, 5714, 5814, 6137, 6498, 6834, 7638, 8571, 10251, 11457, 12274, 17142, 18411, 20502, 21641, 22914, 24187, 25713, 36822, 43282, 48374, 48569, 51426, 54283, 55233, 64923, 72561, 97138, 108566, 110466, 129846, 145122, 145707, 162849, 191419, 194769, 217683, 291414, 325698, 382838, 389538, 411179, 435366, 437121, 488547, 574257, 822358, 874242, 922811, 977094, 1031377, 1148514, 1233537, 1722771, 1845622, 2062754, 2467074, 2768433, 3094131, 3254123, 3445542, 3636961, 3700611, 5536866, 6188262, 6508246, 7273922, 7401222, 8305299, 9282393, 9762369, 10910883, 16610598, 17533409, 18564786, 19524738, 21821766, 29287107, 32732649, 35066818, 52600227, 58574214, 61828337, 65465298, 69102259, 105200454, 123656674, 138204518, 157800681, 185485011, 207306777, 315601362, 370970022, 414613554, 556455033, 621920331, 1112910066, 1174738403, 1243840662, 2349476806, 3524215209, 7048430418, 10572645627, 21145291254]

約数ペア:

[(1, 21145291254), (2, 10572645627), (3, 7048430418), (6, 3524215209), (9, 2349476806), (17, 1243840662), (18, 1174738403), (19, 1112910066), (34, 621920331), (38, 556455033), (51, 414613554), (57, 370970022), (67, 315601362), (102, 207306777), (114, 185485011), (134, 157800681), (153, 138204518), (171, 123656674), (201, 105200454), (306, 69102259), (323, 65465298), (342, 61828337), (361, 58574214), (402, 52600227), (603, 35066818), (646, 32732649), (722, 29287107), (969, 21821766), (1083, 19524738), (1139, 18564786), (1206, 17533409), (1273, 16610598), (1938, 10910883), (2166, 9762369), (2278, 9282393), (2546, 8305299), (2857, 7401222), (2907, 7273922), (3249, 6508246), (3417, 6188262), (3819, 5536866), (5714, 3700611), (5814, 3636961), (6137, 3445542), (6498, 3254123), (6834, 3094131), (7638, 2768433), (8571, 2467074), (10251, 2062754), (11457, 1845622), (12274, 1722771), (17142, 1233537), (18411, 1148514), (20502, 1031377), (21641, 977094), (22914, 922811), (24187, 874242), (25713, 822358), (36822, 574257), (43282, 488547), (48374, 437121), (48569, 435366), (51426, 411179), (54283, 389538), (55233, 382838), (64923, 325698), (72561, 291414), (97138, 217683), (108566, 194769), (110466, 191419), (129846, 162849), (145122, 145707)]