21870338

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{15467}}^1$

素因数の和:15577

約数の個数: 16

約数和(自身を含む): 37865664

約数和(自身を除く): 15995326

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 15467, 30934, 108269, 216538, 1562167, 3124334, 10935169, 21870338]

約数ペア:

[(1, 21870338), (2, 10935169), (7, 3124334), (14, 1562167), (101, 216538), (202, 108269), (707, 30934), (1414, 15467)]