21980460681

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{147739}}^1$

素因数の和:148077

約数の個数: 24

約数和(自身を含む): 32389335680

約数和(自身を除く): 10408874999

約数列:

[1, 3, 9, 61, 183, 271, 549, 813, 2439, 16531, 49593, 147739, 148779, 443217, 1329651, 9012079, 27036237, 40037269, 81108711, 120111807, 360335421, 2442273409, 7326820227, 21980460681]

約数ペア:

[(1, 21980460681), (3, 7326820227), (9, 2442273409), (61, 360335421), (183, 120111807), (271, 81108711), (549, 40037269), (813, 27036237), (2439, 9012079), (16531, 1329651), (49593, 443217), (147739, 148779)]