21171204

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{3079}}^1$

素因数の和:3280

約数の個数: 36

約数和(自身を含む): 53813760

約数和(自身を除く): 32642556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1146, 1719, 2292, 3079, 3438, 6158, 6876, 9237, 12316, 18474, 27711, 36948, 55422, 110844, 588089, 1176178, 1764267, 2352356, 3528534, 5292801, 7057068, 10585602, 21171204]

約数ペア:

[(1, 21171204), (2, 10585602), (3, 7057068), (4, 5292801), (6, 3528534), (9, 2352356), (12, 1764267), (18, 1176178), (36, 588089), (191, 110844), (382, 55422), (573, 36948), (764, 27711), (1146, 18474), (1719, 12316), (2292, 9237), (3079, 6876), (3438, 6158)]