21385908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19163}}^1$

素因数の和:19204

約数の個数: 36

約数和(自身を含む): 55805568

約数和(自身を除く): 34419660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19163, 38326, 57489, 76652, 114978, 172467, 229956, 344934, 594053, 689868, 1188106, 1782159, 2376212, 3564318, 5346477, 7128636, 10692954, 21385908]

約数ペア:

[(1, 21385908), (2, 10692954), (3, 7128636), (4, 5346477), (6, 3564318), (9, 2376212), (12, 1782159), (18, 1188106), (31, 689868), (36, 594053), (62, 344934), (93, 229956), (124, 172467), (186, 114978), (279, 76652), (372, 57489), (558, 38326), (1116, 19163)]