21356836164

素因数分解:

$2^2\times 3^4\times {\mathrm{1459}}^1\times {\mathrm{45179}}^1$

素因数の和:46654

約数の個数: 60

約数和(自身を含む): 55870491600

約数和(自身を除く): 34513655436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1459, 2918, 4377, 5836, 8754, 13131, 17508, 26262, 39393, 45179, 52524, 78786, 90358, 118179, 135537, 157572, 180716, 236358, 271074, 406611, 472716, 542148, 813222, 1219833, 1626444, 2439666, 3659499, 4879332, 7318998, 14637996, 65916161, 131832322, 197748483, 263664644, 395496966, 593245449, 790993932, 1186490898, 1779736347, 2372981796, 3559472694, 5339209041, 7118945388, 10678418082, 21356836164]

約数ペア:

[(1, 21356836164), (2, 10678418082), (3, 7118945388), (4, 5339209041), (6, 3559472694), (9, 2372981796), (12, 1779736347), (18, 1186490898), (27, 790993932), (36, 593245449), (54, 395496966), (81, 263664644), (108, 197748483), (162, 131832322), (324, 65916161), (1459, 14637996), (2918, 7318998), (4377, 4879332), (5836, 3659499), (8754, 2439666), (13131, 1626444), (17508, 1219833), (26262, 813222), (39393, 542148), (45179, 472716), (52524, 406611), (78786, 271074), (90358, 236358), (118179, 180716), (135537, 157572)]