21152220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2111}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 38456868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2111, 2505, 3340, 4222, 5010, 6333, 8444, 10020, 10555, 12666, 21110, 25332, 31665, 42220, 63330, 126660, 352537, 705074, 1057611, 1410148, 1762685, 2115222, 3525370, 4230444, 5288055, 7050740, 10576110, 21152220]

約数ペア:

[(1, 21152220), (2, 10576110), (3, 7050740), (4, 5288055), (5, 4230444), (6, 3525370), (10, 2115222), (12, 1762685), (15, 1410148), (20, 1057611), (30, 705074), (60, 352537), (167, 126660), (334, 63330), (501, 42220), (668, 31665), (835, 25332), (1002, 21110), (1670, 12666), (2004, 10555), (2111, 10020), (2505, 8444), (3340, 6333), (4222, 5010)]