21616424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 20685016

約数列:

[1, 2, 4, 8, 31, 62, 101, 124, 202, 248, 404, 808, 863, 1726, 3131, 3452, 6262, 6904, 12524, 25048, 26753, 53506, 87163, 107012, 174326, 214024, 348652, 697304, 2702053, 5404106, 10808212, 21616424]

約数ペア:

[(1, 21616424), (2, 10808212), (4, 5404106), (8, 2702053), (31, 697304), (62, 348652), (101, 214024), (124, 174326), (202, 107012), (248, 87163), (404, 53506), (808, 26753), (863, 25048), (1726, 12524), (3131, 6904), (3452, 6262)]