21164364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 59072832

約数和(自身を除く): 37908468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1103, 1476, 1599, 2132, 2206, 3198, 3309, 4412, 4797, 6396, 6618, 9594, 9927, 13236, 14339, 19188, 19854, 28678, 39708, 43017, 45223, 57356, 86034, 90446, 129051, 135669, 172068, 180892, 258102, 271338, 407007, 516204, 542676, 587899, 814014, 1175798, 1628028, 1763697, 2351596, 3527394, 5291091, 7054788, 10582182, 21164364]

約数ペア:

[(1, 21164364), (2, 10582182), (3, 7054788), (4, 5291091), (6, 3527394), (9, 2351596), (12, 1763697), (13, 1628028), (18, 1175798), (26, 814014), (36, 587899), (39, 542676), (41, 516204), (52, 407007), (78, 271338), (82, 258102), (117, 180892), (123, 172068), (156, 135669), (164, 129051), (234, 90446), (246, 86034), (369, 57356), (468, 45223), (492, 43017), (533, 39708), (738, 28678), (1066, 19854), (1103, 19188), (1476, 14339), (1599, 13236), (2132, 9927), (2206, 9594), (3198, 6618), (3309, 6396), (4412, 4797)]