21216626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{5557}}^1$

素因数の和:5665

約数の個数: 16

約数和(自身を含む): 33614784

約数和(自身を除く): 12398158

約数列:

[1, 2, 23, 46, 83, 166, 1909, 3818, 5557, 11114, 127811, 255622, 461231, 922462, 10608313, 21216626]

約数ペア:

[(1, 21216626), (2, 10608313), (23, 922462), (46, 461231), (83, 255622), (166, 127811), (1909, 11114), (3818, 5557)]