21190740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353179}}^1$

素因数の和:353191

約数の個数: 24

約数和(自身を含む): 59334240

約数和(自身を除く): 38143500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353179, 706358, 1059537, 1412716, 1765895, 2119074, 3531790, 4238148, 5297685, 7063580, 10595370, 21190740]

約数ペア:

[(1, 21190740), (2, 10595370), (3, 7063580), (4, 5297685), (5, 4238148), (6, 3531790), (10, 2119074), (12, 1765895), (15, 1412716), (20, 1059537), (30, 706358), (60, 353179)]