21675507

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21961}}^1$

素因数の和:22018

約数の個数: 16

約数和(自身を含む): 33733632

約数和(自身を除く): 12058125

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21961, 65883, 153727, 461181, 1032167, 3096501, 7225169, 21675507]

約数ペア:

[(1, 21675507), (3, 7225169), (7, 3096501), (21, 1032167), (47, 461181), (141, 153727), (329, 65883), (987, 21961)]