21698105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30347}}^1$

素因数の和:30376

約数の個数: 16

約数和(自身を含む): 30590784

約数和(自身を除く): 8892679

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 30347, 151735, 333817, 394511, 1669085, 1972555, 4339621, 21698105]

約数ペア:

[(1, 21698105), (5, 4339621), (11, 1972555), (13, 1669085), (55, 394511), (65, 333817), (143, 151735), (715, 30347)]