21143388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251707}}^1$

素因数の和:251721

約数の個数: 24

約数和(自身を含む): 56382592

約数和(自身を除く): 35239204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251707, 503414, 755121, 1006828, 1510242, 1761949, 3020484, 3523898, 5285847, 7047796, 10571694, 21143388]

約数ペア:

[(1, 21143388), (2, 10571694), (3, 7047796), (4, 5285847), (6, 3523898), (7, 3020484), (12, 1761949), (14, 1510242), (21, 1006828), (28, 755121), (42, 503414), (84, 251707)]