21586684

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 23168516

約数列:

[1, 2, 4, 7, 14, 28, 59, 73, 118, 146, 179, 236, 292, 358, 413, 511, 716, 826, 1022, 1253, 1652, 2044, 2506, 4307, 5012, 8614, 10561, 13067, 17228, 21122, 26134, 30149, 42244, 52268, 60298, 73927, 91469, 120596, 147854, 182938, 295708, 365876, 770953, 1541906, 3083812, 5396671, 10793342, 21586684]

約数ペア:

[(1, 21586684), (2, 10793342), (4, 5396671), (7, 3083812), (14, 1541906), (28, 770953), (59, 365876), (73, 295708), (118, 182938), (146, 147854), (179, 120596), (236, 91469), (292, 73927), (358, 60298), (413, 52268), (511, 42244), (716, 30149), (826, 26134), (1022, 21122), (1253, 17228), (1652, 13067), (2044, 10561), (2506, 8614), (4307, 5012)]