21030380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150217}}^1$

素因数の和:150233

約数の個数: 24

約数和(自身を含む): 50473248

約数和(自身を除く): 29442868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150217, 300434, 600868, 751085, 1051519, 1502170, 2103038, 3004340, 4206076, 5257595, 10515190, 21030380]

約数ペア:

[(1, 21030380), (2, 10515190), (4, 5257595), (5, 4206076), (7, 3004340), (10, 2103038), (14, 1502170), (20, 1051519), (28, 751085), (35, 600868), (70, 300434), (140, 150217)]