21000929464

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{1171}}^1\times {\mathrm{7757}}^1$

素因数の和:8968

約数の個数: 48

約数和(自身を含む): 41870391480

約数和(自身を除く): 20869462016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 1171, 2312, 2342, 4684, 7757, 9368, 15514, 19907, 31028, 39814, 62056, 79628, 131869, 159256, 263738, 338419, 527476, 676838, 1054952, 1353676, 2241773, 2707352, 4483546, 8967092, 9083447, 17934184, 18166894, 36333788, 72667576, 154418599, 308837198, 617674396, 1235348792, 2625116183, 5250232366, 10500464732, 21000929464]

約数ペア:

[(1, 21000929464), (2, 10500464732), (4, 5250232366), (8, 2625116183), (17, 1235348792), (34, 617674396), (68, 308837198), (136, 154418599), (289, 72667576), (578, 36333788), (1156, 18166894), (1171, 17934184), (2312, 9083447), (2342, 8967092), (4684, 4483546), (7757, 2707352), (9368, 2241773), (15514, 1353676), (19907, 1054952), (31028, 676838), (39814, 527476), (62056, 338419), (79628, 263738), (131869, 159256)]