21920798

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 34976568

約数和(自身を除く): 13055770

約数列:

[1, 2, 37, 43, 74, 83, 86, 166, 1591, 3071, 3182, 3569, 6142, 6889, 7138, 13778, 132053, 254893, 264106, 296227, 509786, 592454, 10960399, 21920798]

約数ペア:

[(1, 21920798), (2, 10960399), (37, 592454), (43, 509786), (74, 296227), (83, 264106), (86, 254893), (166, 132053), (1591, 13778), (3071, 7138), (3182, 6889), (3569, 6142)]