17043780

素因数分解:

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

素因数の和:21876

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 34352124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21851, 43702, 65553, 87404, 109255, 131106, 218510, 262212, 284063, 327765, 437020, 568126, 655530, 852189, 1136252, 1311060, 1420315, 1704378, 2840630, 3408756, 4260945, 5681260, 8521890, 17043780]

約数ペア:

[(1, 17043780), (2, 8521890), (3, 5681260), (4, 4260945), (5, 3408756), (6, 2840630), (10, 1704378), (12, 1420315), (13, 1311060), (15, 1136252), (20, 852189), (26, 655530), (30, 568126), (39, 437020), (52, 327765), (60, 284063), (65, 262212), (78, 218510), (130, 131106), (156, 109255), (195, 87404), (260, 65553), (390, 43702), (780, 21851)]