21371666

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2653

約数の個数: 16

約数和(自身を含む): 33399000

約数和(自身を除く): 12027334

約数列:

[1, 2, 29, 58, 149, 298, 2473, 4321, 4946, 8642, 71717, 143434, 368477, 736954, 10685833, 21371666]

約数ペア:

[(1, 21371666), (2, 10685833), (29, 736954), (58, 368477), (149, 143434), (298, 71717), (2473, 8642), (4321, 4946)]