21426660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39679}}^1$

素因数の和:39697

約数の個数: 48

約数和(自身を含む): 66662400

約数和(自身を除く): 45235740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39679, 79358, 119037, 158716, 198395, 238074, 357111, 396790, 476148, 595185, 714222, 793580, 1071333, 1190370, 1428444, 1785555, 2142666, 2380740, 3571110, 4285332, 5356665, 7142220, 10713330, 21426660]

約数ペア:

[(1, 21426660), (2, 10713330), (3, 7142220), (4, 5356665), (5, 4285332), (6, 3571110), (9, 2380740), (10, 2142666), (12, 1785555), (15, 1428444), (18, 1190370), (20, 1071333), (27, 793580), (30, 714222), (36, 595185), (45, 476148), (54, 396790), (60, 357111), (90, 238074), (108, 198395), (135, 158716), (180, 119037), (270, 79358), (540, 39679)]