21830484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139939}}^1$

素因数の和:139959

約数の個数: 24

約数和(自身を含む): 54856480

約数和(自身を除く): 33025996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139939, 279878, 419817, 559756, 839634, 1679268, 1819207, 3638414, 5457621, 7276828, 10915242, 21830484]

約数ペア:

[(1, 21830484), (2, 10915242), (3, 7276828), (4, 5457621), (6, 3638414), (12, 1819207), (13, 1679268), (26, 839634), (39, 559756), (52, 419817), (78, 279878), (156, 139939)]