21784158

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 51807600

約数和(自身を除く): 30023442

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 269, 409, 538, 807, 818, 1227, 1614, 2421, 2454, 2959, 3681, 4499, 4842, 5918, 7362, 8877, 8998, 13497, 17754, 26631, 26994, 40491, 53262, 80982, 110021, 220042, 330063, 660126, 990189, 1210231, 1980378, 2420462, 3630693, 7261386, 10892079, 21784158]

約数ペア:

[(1, 21784158), (2, 10892079), (3, 7261386), (6, 3630693), (9, 2420462), (11, 1980378), (18, 1210231), (22, 990189), (33, 660126), (66, 330063), (99, 220042), (198, 110021), (269, 80982), (409, 53262), (538, 40491), (807, 26994), (818, 26631), (1227, 17754), (1614, 13497), (2421, 8998), (2454, 8877), (2959, 7362), (3681, 5918), (4499, 4842)]