21460748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 18183892

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2621, 4094, 5242, 8188, 10484, 60283, 120566, 233269, 241132, 466538, 933076, 5365187, 10730374, 21460748]

約数ペア:

[(1, 21460748), (2, 10730374), (4, 5365187), (23, 933076), (46, 466538), (89, 241132), (92, 233269), (178, 120566), (356, 60283), (2047, 10484), (2621, 8188), (4094, 5242)]