21612075

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5437}}^1$

素因数の和:5503

約数の個数: 24

約数和(自身を含む): 36412848

約数和(自身を除く): 14800773

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5437, 16311, 27185, 81555, 135925, 288161, 407775, 864483, 1440805, 4322415, 7204025, 21612075]

約数ペア:

[(1, 21612075), (3, 7204025), (5, 4322415), (15, 1440805), (25, 864483), (53, 407775), (75, 288161), (159, 135925), (265, 81555), (795, 27185), (1325, 16311), (3975, 5437)]