21180666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{709}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 24622854

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 383, 709, 766, 1149, 1418, 2127, 2298, 4254, 4979, 9217, 9958, 14937, 18434, 27651, 29874, 55302, 271547, 543094, 814641, 1629282, 3530111, 7060222, 10590333, 21180666]

約数ペア:

[(1, 21180666), (2, 10590333), (3, 7060222), (6, 3530111), (13, 1629282), (26, 814641), (39, 543094), (78, 271547), (383, 55302), (709, 29874), (766, 27651), (1149, 18434), (1418, 14937), (2127, 9958), (2298, 9217), (4254, 4979)]