21620914

素因数分解:

$2^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{2503}}^1$

素因数の和:3129

約数の個数: 16

約数和(自身を含む): 37139328

約数和(自身を除く): 15518414

約数列:

[1, 2, 7, 14, 617, 1234, 2503, 4319, 5006, 8638, 17521, 35042, 1544351, 3088702, 10810457, 21620914]

約数ペア:

[(1, 21620914), (2, 10810457), (7, 3088702), (14, 1544351), (617, 35042), (1234, 17521), (2503, 8638), (4319, 5006)]