21898814

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22031}}^1$

素因数の和:22111

約数の個数: 16

約数和(自身を含む): 38071296

約数和(自身を除く): 16172482

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 22031, 44062, 154217, 308434, 1564201, 3128402, 10949407, 21898814]

約数ペア:

[(1, 21898814), (2, 10949407), (7, 3128402), (14, 1564201), (71, 308434), (142, 154217), (497, 44062), (994, 22031)]