21095310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1097}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 50753952

約数和(自身を除く): 29658642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1097, 1282, 1923, 2194, 3205, 3291, 3846, 5485, 6410, 6582, 9615, 10970, 16455, 19230, 32910, 703177, 1406354, 2109531, 3515885, 4219062, 7031770, 10547655, 21095310]

約数ペア:

[(1, 21095310), (2, 10547655), (3, 7031770), (5, 4219062), (6, 3515885), (10, 2109531), (15, 1406354), (30, 703177), (641, 32910), (1097, 19230), (1282, 16455), (1923, 10970), (2194, 9615), (3205, 6582), (3291, 6410), (3846, 5485)]