21355484

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3917}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 39493440

約数和(自身を除く): 18137956

約数列:

[1, 2, 4, 29, 47, 58, 94, 116, 188, 1363, 2726, 3917, 5452, 7834, 15668, 113593, 184099, 227186, 368198, 454372, 736396, 5338871, 10677742, 21355484]

約数ペア:

[(1, 21355484), (2, 10677742), (4, 5338871), (29, 736396), (47, 454372), (58, 368198), (94, 227186), (116, 184099), (188, 113593), (1363, 15668), (2726, 7834), (3917, 5452)]