21092665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 29354112

約数和(自身を除く): 8261447

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1327, 1445, 3179, 6635, 14597, 15895, 22559, 72985, 112795, 248149, 383503, 1240745, 1917515, 4218533, 21092665]

約数ペア:

[(1, 21092665), (5, 4218533), (11, 1917515), (17, 1240745), (55, 383503), (85, 248149), (187, 112795), (289, 72985), (935, 22559), (1327, 15895), (1445, 14597), (3179, 6635)]