21866126425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{5179}}^1$

素因数の和:6394

約数の個数: 48

約数和(自身を含む): 31887334080

約数和(自身を除く): 10021207655

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 1181, 3575, 5179, 5905, 12991, 15353, 25895, 29525, 56969, 64955, 67327, 76765, 129475, 168883, 284845, 324775, 336635, 383825, 740597, 844415, 1424225, 1683175, 3702985, 4222075, 6116399, 18514925, 30581995, 67280389, 79513187, 152909975, 336401945, 397565935, 874645057, 1682009725, 1987829675, 4373225285, 21866126425]

約数ペア:

[(1, 21866126425), (5, 4373225285), (11, 1987829675), (13, 1682009725), (25, 874645057), (55, 397565935), (65, 336401945), (143, 152909975), (275, 79513187), (325, 67280389), (715, 30581995), (1181, 18514925), (3575, 6116399), (5179, 4222075), (5905, 3702985), (12991, 1683175), (15353, 1424225), (25895, 844415), (29525, 740597), (56969, 383825), (64955, 336635), (67327, 324775), (76765, 284845), (129475, 168883)]