21967468

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:682

約数の個数: 36

約数和(自身を含む): 42223552

約数和(自身を除く): 20256084

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 527, 578, 613, 1054, 1156, 1226, 2108, 2452, 8959, 10421, 17918, 19003, 20842, 35836, 38006, 41684, 76012, 177157, 323051, 354314, 646102, 708628, 1292204, 5491867, 10983734, 21967468]

約数ペア:

[(1, 21967468), (2, 10983734), (4, 5491867), (17, 1292204), (31, 708628), (34, 646102), (62, 354314), (68, 323051), (124, 177157), (289, 76012), (527, 41684), (578, 38006), (613, 35836), (1054, 20842), (1156, 19003), (1226, 17918), (2108, 10421), (2452, 8959)]