21000663501

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1\times {\mathrm{188843}}^1$

素因数の和:190816

約数の個数: 16

約数和(自身を含む): 29489879040

約数和(自身を除く): 8489215539

約数列:

[1, 3, 19, 57, 1951, 5853, 37069, 111207, 188843, 566529, 3588017, 10764051, 368432693, 1105298079, 7000221167, 21000663501]

約数ペア:

[(1, 21000663501), (3, 7000221167), (19, 1105298079), (57, 368432693), (1951, 10764051), (5853, 3588017), (37069, 566529), (111207, 188843)]