21616756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 24348044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 179, 227, 266, 358, 454, 532, 716, 908, 1253, 1589, 2506, 3178, 3401, 4313, 5012, 6356, 6802, 8626, 13604, 17252, 23807, 30191, 40633, 47614, 60382, 81266, 95228, 120764, 162532, 284431, 568862, 772027, 1137724, 1544054, 3088108, 5404189, 10808378, 21616756]

約数ペア:

[(1, 21616756), (2, 10808378), (4, 5404189), (7, 3088108), (14, 1544054), (19, 1137724), (28, 772027), (38, 568862), (76, 284431), (133, 162532), (179, 120764), (227, 95228), (266, 81266), (358, 60382), (454, 47614), (532, 40633), (716, 30191), (908, 23807), (1253, 17252), (1589, 13604), (2506, 8626), (3178, 6802), (3401, 6356), (4313, 5012)]