21335908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11827}}^1$

素因数の和:11883

約数の個数: 24

約数和(自身を含む): 41729184

約数和(自身を除く): 20393276

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11827, 23654, 47308, 130097, 260194, 484907, 520388, 969814, 1939628, 5333977, 10667954, 21335908]

約数ペア:

[(1, 21335908), (2, 10667954), (4, 5333977), (11, 1939628), (22, 969814), (41, 520388), (44, 484907), (82, 260194), (164, 130097), (451, 47308), (902, 23654), (1804, 11827)]