21222974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{2549}}^1$

素因数の和:2755

約数の個数: 16

約数和(自身を含む): 33415200

約数和(自身を除く): 12192226

約数列:

[1, 2, 23, 46, 181, 362, 2549, 4163, 5098, 8326, 58627, 117254, 461369, 922738, 10611487, 21222974]

約数ペア:

[(1, 21222974), (2, 10611487), (23, 922738), (46, 461369), (181, 117254), (362, 58627), (2549, 8326), (4163, 5098)]