21519367038

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{378449}}^1$

素因数の和:378485

約数の個数: 64

約数和(自身を含む): 52135272000

約数和(自身を除く): 30615904962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 2106, 2187, 3159, 4374, 6318, 9477, 18954, 28431, 56862, 378449, 756898, 1135347, 2270694, 3406041, 4919837, 6812082, 9839674, 10218123, 14759511, 20436246, 29519022, 30654369, 44278533, 61308738, 88557066, 91963107, 132835599, 183926214, 265671198, 275889321, 398506797, 551778642, 797013594, 827667963, 1195520391, 1655335926, 2391040782, 3586561173, 7173122346, 10759683519, 21519367038]

約数ペア:

[(1, 21519367038), (2, 10759683519), (3, 7173122346), (6, 3586561173), (9, 2391040782), (13, 1655335926), (18, 1195520391), (26, 827667963), (27, 797013594), (39, 551778642), (54, 398506797), (78, 275889321), (81, 265671198), (117, 183926214), (162, 132835599), (234, 91963107), (243, 88557066), (351, 61308738), (486, 44278533), (702, 30654369), (729, 29519022), (1053, 20436246), (1458, 14759511), (2106, 10218123), (2187, 9839674), (3159, 6812082), (4374, 4919837), (6318, 3406041), (9477, 2270694), (18954, 1135347), (28431, 756898), (56862, 378449)]