21461535

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6037}}^1$

素因数の和:6127

約数の個数: 24

約数和(自身を含む): 37677120

約数和(自身を除く): 16215585

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 6037, 18111, 30185, 54333, 90555, 271665, 476923, 1430769, 2384615, 4292307, 7153845, 21461535]

約数ペア:

[(1, 21461535), (3, 7153845), (5, 4292307), (9, 2384615), (15, 1430769), (45, 476923), (79, 271665), (237, 90555), (395, 54333), (711, 30185), (1185, 18111), (3555, 6037)]