21653214

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8867}}^1$

素因数の和:8920

約数の個数: 32

約数和(自身を含む): 48525696

約数和(自身を除く): 26872482

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8867, 17734, 26601, 53202, 97537, 195074, 292611, 328079, 585222, 656158, 984237, 1968474, 3608869, 7217738, 10826607, 21653214]

約数ペア:

[(1, 21653214), (2, 10826607), (3, 7217738), (6, 3608869), (11, 1968474), (22, 984237), (33, 656158), (37, 585222), (66, 328079), (74, 292611), (111, 195074), (222, 97537), (407, 53202), (814, 26601), (1221, 17734), (2442, 8867)]