21167111615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{12391}}^1$

素因数の和:13091

約数の個数: 32

約数和(自身を含む): 28067582592

約数和(自身を除く): 6900470977

約数列:

[1, 5, 13, 41, 65, 205, 533, 641, 2665, 3205, 8333, 12391, 26281, 41665, 61955, 131405, 161083, 341653, 508031, 805415, 1708265, 2540155, 6604403, 7942631, 33022015, 39713155, 103254203, 325647871, 516271015, 1628239355, 4233422323, 21167111615]

約数ペア:

[(1, 21167111615), (5, 4233422323), (13, 1628239355), (41, 516271015), (65, 325647871), (205, 103254203), (533, 39713155), (641, 33022015), (2665, 7942631), (3205, 6604403), (8333, 2540155), (12391, 1708265), (26281, 805415), (41665, 508031), (61955, 341653), (131405, 161083)]