21356460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13183}}^1$

素因数の和:13204

約数の個数: 60

約数和(自身を含む): 67001088

約数和(自身を除く): 45644628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13183, 26366, 39549, 52732, 65915, 79098, 118647, 131830, 158196, 197745, 237294, 263660, 355941, 395490, 474588, 593235, 711882, 790980, 1067823, 1186470, 1423764, 1779705, 2135646, 2372940, 3559410, 4271292, 5339115, 7118820, 10678230, 21356460]

約数ペア:

[(1, 21356460), (2, 10678230), (3, 7118820), (4, 5339115), (5, 4271292), (6, 3559410), (9, 2372940), (10, 2135646), (12, 1779705), (15, 1423764), (18, 1186470), (20, 1067823), (27, 790980), (30, 711882), (36, 593235), (45, 474588), (54, 395490), (60, 355941), (81, 263660), (90, 237294), (108, 197745), (135, 158196), (162, 131830), (180, 118647), (270, 79098), (324, 65915), (405, 52732), (540, 39549), (810, 26366), (1620, 13183)]