21517596

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6471

約数の個数: 48

約数和(自身を含む): 57594880

約数和(自身を除く): 36077284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6427, 12854, 19281, 25708, 38562, 57843, 77124, 115686, 173529, 199237, 231372, 347058, 398474, 597711, 694116, 796948, 1195422, 1793133, 2390844, 3586266, 5379399, 7172532, 10758798, 21517596]

約数ペア:

[(1, 21517596), (2, 10758798), (3, 7172532), (4, 5379399), (6, 3586266), (9, 2390844), (12, 1793133), (18, 1195422), (27, 796948), (31, 694116), (36, 597711), (54, 398474), (62, 347058), (93, 231372), (108, 199237), (124, 173529), (186, 115686), (279, 77124), (372, 57843), (558, 38562), (837, 25708), (1116, 19281), (1674, 12854), (3348, 6427)]