21856935

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 37532160

約数和(自身を除く): 15675225

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1447, 3021, 4341, 5035, 7235, 15105, 21705, 27493, 76691, 82479, 137465, 230073, 383455, 412395, 1150365, 1457129, 4371387, 7285645, 21856935]

約数ペア:

[(1, 21856935), (3, 7285645), (5, 4371387), (15, 1457129), (19, 1150365), (53, 412395), (57, 383455), (95, 230073), (159, 137465), (265, 82479), (285, 76691), (795, 27493), (1007, 21705), (1447, 15105), (3021, 7235), (4341, 5035)]