21562023

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 12629337

約数列:

[1, 3, 7, 21, 41, 79, 123, 237, 287, 317, 553, 861, 951, 1659, 2219, 3239, 6657, 9717, 12997, 22673, 25043, 38991, 68019, 75129, 90979, 175301, 272937, 525903, 1026763, 3080289, 7187341, 21562023]

約数ペア:

[(1, 21562023), (3, 7187341), (7, 3080289), (21, 1026763), (41, 525903), (79, 272937), (123, 175301), (237, 90979), (287, 75129), (317, 68019), (553, 38991), (861, 25043), (951, 22673), (1659, 12997), (2219, 9717), (3239, 6657)]