8521890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21874

約数の個数: 32

約数和(自身を含む): 22026816

約数和(自身を除く): 13504926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21851, 43702, 65553, 109255, 131106, 218510, 284063, 327765, 568126, 655530, 852189, 1420315, 1704378, 2840630, 4260945, 8521890]

約数ペア:

[(1, 8521890), (2, 4260945), (3, 2840630), (5, 1704378), (6, 1420315), (10, 852189), (13, 655530), (15, 568126), (26, 327765), (30, 284063), (39, 218510), (65, 131106), (78, 109255), (130, 65553), (195, 43702), (390, 21851)]