21274410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1823}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 51217920

約数和(自身を除く): 29943510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1823, 1945, 2334, 3646, 3890, 5469, 5835, 9115, 10938, 11670, 18230, 27345, 54690, 709147, 1418294, 2127441, 3545735, 4254882, 7091470, 10637205, 21274410]

約数ペア:

[(1, 21274410), (2, 10637205), (3, 7091470), (5, 4254882), (6, 3545735), (10, 2127441), (15, 1418294), (30, 709147), (389, 54690), (778, 27345), (1167, 18230), (1823, 11670), (1945, 10938), (2334, 9115), (3646, 5835), (3890, 5469)]