21100404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3299}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 33230796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 3299, 6396, 6598, 9897, 13196, 19794, 39588, 42887, 85774, 128661, 135259, 171548, 257322, 270518, 405777, 514644, 541036, 811554, 1623108, 1758367, 3516734, 5275101, 7033468, 10550202, 21100404]

約数ペア:

[(1, 21100404), (2, 10550202), (3, 7033468), (4, 5275101), (6, 3516734), (12, 1758367), (13, 1623108), (26, 811554), (39, 541036), (41, 514644), (52, 405777), (78, 270518), (82, 257322), (123, 171548), (156, 135259), (164, 128661), (246, 85774), (492, 42887), (533, 39588), (1066, 19794), (1599, 13196), (2132, 9897), (3198, 6598), (3299, 6396)]