21445796

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 38374560

約数和(自身を除く): 16928764

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 563, 1126, 2252, 9523, 19046, 38092, 50107, 60241, 100214, 120482, 200428, 240964, 5361449, 10722898, 21445796]

約数ペア:

[(1, 21445796), (2, 10722898), (4, 5361449), (89, 240964), (107, 200428), (178, 120482), (214, 100214), (356, 60241), (428, 50107), (563, 38092), (1126, 19046), (2252, 9523)]