21697848978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{187073}}^1$

素因数の和:188578

約数の個数: 32

約数和(自身を含む): 46765506816

約数和(自身を除く): 25067657838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1487, 2974, 4461, 8922, 19331, 38662, 57993, 115986, 187073, 374146, 561219, 1122438, 2431949, 4863898, 7295847, 14591694, 278177551, 556355102, 834532653, 1669065306, 3616308163, 7232616326, 10848924489, 21697848978]

約数ペア:

[(1, 21697848978), (2, 10848924489), (3, 7232616326), (6, 3616308163), (13, 1669065306), (26, 834532653), (39, 556355102), (78, 278177551), (1487, 14591694), (2974, 7295847), (4461, 4863898), (8922, 2431949), (19331, 1122438), (38662, 561219), (57993, 374146), (115986, 187073)]