21638336

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{607}}^1$

素因数の和:1176

約数の個数: 28

約数和(自身を含む): 43086528

約数和(自身を除く): 21448192

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 607, 1114, 1214, 2228, 2428, 4456, 4856, 8912, 9712, 17824, 19424, 35648, 38848, 338099, 676198, 1352396, 2704792, 5409584, 10819168, 21638336]

約数ペア:

[(1, 21638336), (2, 10819168), (4, 5409584), (8, 2704792), (16, 1352396), (32, 676198), (64, 338099), (557, 38848), (607, 35648), (1114, 19424), (1214, 17824), (2228, 9712), (2428, 8912), (4456, 4856)]