21635559

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 35374080

約数和(自身を除く): 13738521

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 751, 873, 1067, 2253, 2619, 3201, 6759, 8261, 9603, 20277, 24783, 28809, 72847, 74349, 218541, 223047, 655623, 801317, 1966869, 2403951, 7211853, 21635559]

約数ペア:

[(1, 21635559), (3, 7211853), (9, 2403951), (11, 1966869), (27, 801317), (33, 655623), (97, 223047), (99, 218541), (291, 74349), (297, 72847), (751, 28809), (873, 24783), (1067, 20277), (2253, 9603), (2619, 8261), (3201, 6759)]