21394338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509389}}^1$

素因数の和:509401

約数の個数: 16

約数和(自身を含む): 48901440

約数和(自身を除く): 27507102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509389, 1018778, 1528167, 3056334, 3565723, 7131446, 10697169, 21394338]

約数ペア:

[(1, 21394338), (2, 10697169), (3, 7131446), (6, 3565723), (7, 3056334), (14, 1528167), (21, 1018778), (42, 509389)]