21743204

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2687}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 46212096

約数和(自身を除く): 24468892

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2687, 4046, 5374, 8092, 10748, 18809, 37618, 45679, 75236, 91358, 182716, 319753, 639506, 776543, 1279012, 1553086, 3106172, 5435801, 10871602, 21743204]

約数ペア:

[(1, 21743204), (2, 10871602), (4, 5435801), (7, 3106172), (14, 1553086), (17, 1279012), (28, 776543), (34, 639506), (68, 319753), (119, 182716), (238, 91358), (289, 75236), (476, 45679), (578, 37618), (1156, 18809), (2023, 10748), (2687, 8092), (4046, 5374)]