21795420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363257}}^1$

素因数の和:363269

約数の個数: 24

約数和(自身を含む): 61027344

約数和(自身を除く): 39231924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363257, 726514, 1089771, 1453028, 1816285, 2179542, 3632570, 4359084, 5448855, 7265140, 10897710, 21795420]

約数ペア:

[(1, 21795420), (2, 10897710), (3, 7265140), (4, 5448855), (5, 4359084), (6, 3632570), (10, 2179542), (12, 1816285), (15, 1453028), (20, 1089771), (30, 726514), (60, 363257)]