21915946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27191}}^1$

素因数の和:27237

約数の個数: 16

約数和(自身を含む): 36546048

約数和(自身を除く): 14630102

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27191, 54382, 353483, 706966, 842921, 1685842, 10957973, 21915946]

約数ペア:

[(1, 21915946), (2, 10957973), (13, 1685842), (26, 842921), (31, 706966), (62, 353483), (403, 54382), (806, 27191)]