21900348

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 57120000

約数和(自身を除く): 35219652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 1019, 1194, 1791, 2038, 2388, 3057, 3582, 4076, 5373, 6114, 7164, 9171, 10746, 12228, 18342, 21492, 27513, 36684, 55026, 110052, 202781, 405562, 608343, 811124, 1216686, 1825029, 2433372, 3650058, 5475087, 7300116, 10950174, 21900348]

約数ペア:

[(1, 21900348), (2, 10950174), (3, 7300116), (4, 5475087), (6, 3650058), (9, 2433372), (12, 1825029), (18, 1216686), (27, 811124), (36, 608343), (54, 405562), (108, 202781), (199, 110052), (398, 55026), (597, 36684), (796, 27513), (1019, 21492), (1194, 18342), (1791, 12228), (2038, 10746), (2388, 9171), (3057, 7164), (3582, 6114), (4076, 5373)]