21638909601

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2243}}^1\times {\mathrm{56417}}^1$

素因数の和:58685

約数の個数: 24

約数和(自身を含む): 32916517920

約数和(自身を除く): 11277608319

約数列:

[1, 3, 9, 19, 57, 171, 2243, 6729, 20187, 42617, 56417, 127851, 169251, 383553, 507753, 1071923, 3215769, 9647307, 126543331, 379629993, 1138889979, 2404323289, 7212969867, 21638909601]

約数ペア:

[(1, 21638909601), (3, 7212969867), (9, 2404323289), (19, 1138889979), (57, 379629993), (171, 126543331), (2243, 9647307), (6729, 3215769), (20187, 1071923), (42617, 507753), (56417, 383553), (127851, 169251)]