21000658246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1297}}^1$

素因数の和:1625

約数の個数: 64

約数和(自身を含む): 35008991424

約数和(自身を除く): 14008333178

約数列:

[1, 2, 17, 34, 37, 61, 74, 122, 211, 422, 629, 1037, 1258, 1297, 2074, 2257, 2594, 3587, 4514, 7174, 7807, 12871, 15614, 22049, 25742, 38369, 44098, 47989, 76738, 79117, 95978, 132719, 158234, 218807, 265438, 273667, 437614, 476227, 547334, 815813, 952454, 1344989, 1631626, 2689978, 2927329, 4652339, 5854658, 8095859, 9304678, 10125679, 16191718, 16693687, 20251358, 33387374, 49764593, 99529186, 172136543, 283792679, 344273086, 567585358, 617666419, 1235332838, 10500329123, 21000658246]

約数ペア:

[(1, 21000658246), (2, 10500329123), (17, 1235332838), (34, 617666419), (37, 567585358), (61, 344273086), (74, 283792679), (122, 172136543), (211, 99529186), (422, 49764593), (629, 33387374), (1037, 20251358), (1258, 16693687), (1297, 16191718), (2074, 10125679), (2257, 9304678), (2594, 8095859), (3587, 5854658), (4514, 4652339), (7174, 2927329), (7807, 2689978), (12871, 1631626), (15614, 1344989), (22049, 952454), (25742, 815813), (38369, 547334), (44098, 476227), (47989, 437614), (76738, 273667), (79117, 265438), (95978, 218807), (132719, 158234)]