21198510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26171}}^1$

素因数の和:26190

約数の個数: 40

約数和(自身を含む): 57002616

約数和(自身を除く): 35804106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26171, 52342, 78513, 130855, 157026, 235539, 261710, 392565, 471078, 706617, 785130, 1177695, 1413234, 2119851, 2355390, 3533085, 4239702, 7066170, 10599255, 21198510]

約数ペア:

[(1, 21198510), (2, 10599255), (3, 7066170), (5, 4239702), (6, 3533085), (9, 2355390), (10, 2119851), (15, 1413234), (18, 1177695), (27, 785130), (30, 706617), (45, 471078), (54, 392565), (81, 261710), (90, 235539), (135, 157026), (162, 130855), (270, 78513), (405, 52342), (810, 26171)]