21862360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42043}}^1$

素因数の和:42067

約数の個数: 32

約数和(自身を含む): 52975440

約数和(自身を除く): 31113080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 42043, 84086, 168172, 210215, 336344, 420430, 546559, 840860, 1093118, 1681720, 2186236, 2732795, 4372472, 5465590, 10931180, 21862360]

約数ペア:

[(1, 21862360), (2, 10931180), (4, 5465590), (5, 4372472), (8, 2732795), (10, 2186236), (13, 1681720), (20, 1093118), (26, 840860), (40, 546559), (52, 420430), (65, 336344), (104, 210215), (130, 168172), (260, 84086), (520, 42043)]