21287790826

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1\times {\mathrm{3691}}^1$

素因数の和:5110

約数の個数: 32

約数和(自身を含む): 33384836160

約数和(自身を除く): 12097045334

約数列:

[1, 2, 37, 59, 74, 118, 1321, 2183, 2642, 3691, 4366, 7382, 48877, 77939, 97754, 136567, 155878, 217769, 273134, 435538, 2883743, 4875811, 5767486, 8057453, 9751622, 16114906, 180405007, 287672849, 360810014, 575345698, 10643895413, 21287790826]

約数ペア:

[(1, 21287790826), (2, 10643895413), (37, 575345698), (59, 360810014), (74, 287672849), (118, 180405007), (1321, 16114906), (2183, 9751622), (2642, 8057453), (3691, 5767486), (4366, 4875811), (7382, 2883743), (48877, 435538), (77939, 273134), (97754, 217769), (136567, 155878)]