21206700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23563}}^1$

素因数の和:23583

約数の個数: 54

約数和(自身を含む): 66474044

約数和(自身を除く): 45267344

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23563, 47126, 70689, 94252, 117815, 141378, 212067, 235630, 282756, 353445, 424134, 471260, 589075, 706890, 848268, 1060335, 1178150, 1413780, 1767225, 2120670, 2356300, 3534450, 4241340, 5301675, 7068900, 10603350, 21206700]

約数ペア:

[(1, 21206700), (2, 10603350), (3, 7068900), (4, 5301675), (5, 4241340), (6, 3534450), (9, 2356300), (10, 2120670), (12, 1767225), (15, 1413780), (18, 1178150), (20, 1060335), (25, 848268), (30, 706890), (36, 589075), (45, 471260), (50, 424134), (60, 353445), (75, 282756), (90, 235630), (100, 212067), (150, 141378), (180, 117815), (225, 94252), (300, 70689), (450, 47126), (900, 23563)]