21466260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3847}}^1$

素因数の和:3893

約数の個数: 72

約数和(自身を含む): 67232256

約数和(自身を除く): 45765996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3847, 5580, 7694, 11541, 15388, 19235, 23082, 34623, 38470, 46164, 57705, 69246, 76940, 115410, 119257, 138492, 173115, 230820, 238514, 346230, 357771, 477028, 596285, 692460, 715542, 1073313, 1192570, 1431084, 1788855, 2146626, 2385140, 3577710, 4293252, 5366565, 7155420, 10733130, 21466260]

約数ペア:

[(1, 21466260), (2, 10733130), (3, 7155420), (4, 5366565), (5, 4293252), (6, 3577710), (9, 2385140), (10, 2146626), (12, 1788855), (15, 1431084), (18, 1192570), (20, 1073313), (30, 715542), (31, 692460), (36, 596285), (45, 477028), (60, 357771), (62, 346230), (90, 238514), (93, 230820), (124, 173115), (155, 138492), (180, 119257), (186, 115410), (279, 76940), (310, 69246), (372, 57705), (465, 46164), (558, 38470), (620, 34623), (930, 23082), (1116, 19235), (1395, 15388), (1860, 11541), (2790, 7694), (3847, 5580)]