21750459

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 31427520

約数和(自身を除く): 9677061

約数列:

[1, 3, 19, 41, 57, 123, 227, 681, 779, 1681, 2337, 4313, 5043, 9307, 12939, 27921, 31939, 95817, 176833, 381587, 530499, 1144761, 7250153, 21750459]

約数ペア:

[(1, 21750459), (3, 7250153), (19, 1144761), (41, 530499), (57, 381587), (123, 176833), (227, 95817), (681, 31939), (779, 27921), (1681, 12939), (2337, 9307), (4313, 5043)]