21358962

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25247}}^1$

素因数の和:25302

約数の個数: 24

約数和(自身を含む): 47264256

約数和(自身を除く): 25905294

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25247, 50494, 75741, 151482, 227223, 454446, 1186609, 2373218, 3559827, 7119654, 10679481, 21358962]

約数ペア:

[(1, 21358962), (2, 10679481), (3, 7119654), (6, 3559827), (9, 2373218), (18, 1186609), (47, 454446), (94, 227223), (141, 151482), (282, 75741), (423, 50494), (846, 25247)]