21553356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{607}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 33604404

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 269, 538, 607, 807, 1076, 1214, 1614, 1821, 2428, 2959, 3228, 3642, 5918, 6677, 7284, 8877, 11836, 13354, 17754, 20031, 26708, 35508, 40062, 80124, 163283, 326566, 489849, 653132, 979698, 1796113, 1959396, 3592226, 5388339, 7184452, 10776678, 21553356]

約数ペア:

[(1, 21553356), (2, 10776678), (3, 7184452), (4, 5388339), (6, 3592226), (11, 1959396), (12, 1796113), (22, 979698), (33, 653132), (44, 489849), (66, 326566), (132, 163283), (269, 80124), (538, 40062), (607, 35508), (807, 26708), (1076, 20031), (1214, 17754), (1614, 13354), (1821, 11836), (2428, 8877), (2959, 7284), (3228, 6677), (3642, 5918)]