21871778

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{6203}}^1$

素因数の和:6289

約数の個数: 16

約数和(自身を含む): 34394976

約数和(自身を除く): 12523198

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 6203, 12406, 254323, 266729, 508646, 533458, 10935889, 21871778]

約数ペア:

[(1, 21871778), (2, 10935889), (41, 533458), (43, 508646), (82, 266729), (86, 254323), (1763, 12406), (3526, 6203)]