21382890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1861}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 30097686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 383, 766, 1149, 1861, 1915, 2298, 3722, 3830, 5583, 5745, 9305, 11166, 11490, 18610, 27915, 55830, 712763, 1425526, 2138289, 3563815, 4276578, 7127630, 10691445, 21382890]

約数ペア:

[(1, 21382890), (2, 10691445), (3, 7127630), (5, 4276578), (6, 3563815), (10, 2138289), (15, 1425526), (30, 712763), (383, 55830), (766, 27915), (1149, 18610), (1861, 11490), (1915, 11166), (2298, 9305), (3722, 5745), (3830, 5583)]