21515610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1549}}^1$

素因数の和:2022

約数の個数: 32

約数和(自身を含む): 51782400

約数和(自身を除く): 30266790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 1549, 2315, 2778, 3098, 4630, 4647, 6945, 7745, 9294, 13890, 15490, 23235, 46470, 717187, 1434374, 2151561, 3585935, 4303122, 7171870, 10757805, 21515610]

約数ペア:

[(1, 21515610), (2, 10757805), (3, 7171870), (5, 4303122), (6, 3585935), (10, 2151561), (15, 1434374), (30, 717187), (463, 46470), (926, 23235), (1389, 15490), (1549, 13890), (2315, 9294), (2778, 7745), (3098, 6945), (4630, 4647)]