21057025899

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1\times {\mathrm{3527}}^1$

素因数の和:4720

約数の個数: 64

約数和(自身を含む): 36415733760

約数和(自身を除く): 15358707861

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1151, 1729, 3453, 3527, 5187, 8057, 10581, 14963, 21869, 24171, 24689, 44889, 45851, 65607, 67013, 74067, 104741, 137553, 153083, 201039, 284297, 314223, 320957, 459249, 469091, 852891, 871169, 962871, 1407273, 1990079, 2613507, 4059577, 5970237, 6098183, 12178731, 18294549, 28417039, 52774501, 77131963, 85251117, 158323503, 231395889, 369421507, 539923741, 1002715519, 1108264521, 1619771223, 3008146557, 7019008633, 21057025899]

約数ペア:

[(1, 21057025899), (3, 7019008633), (7, 3008146557), (13, 1619771223), (19, 1108264521), (21, 1002715519), (39, 539923741), (57, 369421507), (91, 231395889), (133, 158323503), (247, 85251117), (273, 77131963), (399, 52774501), (741, 28417039), (1151, 18294549), (1729, 12178731), (3453, 6098183), (3527, 5970237), (5187, 4059577), (8057, 2613507), (10581, 1990079), (14963, 1407273), (21869, 962871), (24171, 871169), (24689, 852891), (44889, 469091), (45851, 459249), (65607, 320957), (67013, 314223), (74067, 284297), (104741, 201039), (137553, 153083)]