21843790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 41622336

約数和(自身を除く): 19778546

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1301, 1679, 2602, 3358, 6505, 8395, 13010, 16790, 29923, 59846, 94973, 149615, 189946, 299230, 474865, 949730, 2184379, 4368758, 10921895, 21843790]

約数ペア:

[(1, 21843790), (2, 10921895), (5, 4368758), (10, 2184379), (23, 949730), (46, 474865), (73, 299230), (115, 189946), (146, 149615), (230, 94973), (365, 59846), (730, 29923), (1301, 16790), (1679, 13010), (2602, 8395), (3358, 6505)]