21342456

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 58017960

約数和(自身を除く): 36675504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 643, 922, 1286, 1383, 1844, 1929, 2572, 2766, 3688, 3858, 4149, 5144, 5532, 5787, 7716, 8298, 11064, 11574, 15432, 16596, 23148, 33192, 46296, 296423, 592846, 889269, 1185692, 1778538, 2371384, 2667807, 3557076, 5335614, 7114152, 10671228, 21342456]

約数ペア:

[(1, 21342456), (2, 10671228), (3, 7114152), (4, 5335614), (6, 3557076), (8, 2667807), (9, 2371384), (12, 1778538), (18, 1185692), (24, 889269), (36, 592846), (72, 296423), (461, 46296), (643, 33192), (922, 23148), (1286, 16596), (1383, 15432), (1844, 11574), (1929, 11064), (2572, 8298), (2766, 7716), (3688, 5787), (3858, 5532), (4149, 5144)]