21274310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5441}}^1$

素因数の和:5488

約数の個数: 32

約数和(自身を含む): 42316992

約数和(自身を除く): 21042682

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5441, 10882, 27205, 54410, 92497, 125143, 184994, 250286, 462485, 625715, 924970, 1251430, 2127431, 4254862, 10637155, 21274310]

約数ペア:

[(1, 21274310), (2, 10637155), (5, 4254862), (10, 2127431), (17, 1251430), (23, 924970), (34, 625715), (46, 462485), (85, 250286), (115, 184994), (170, 125143), (230, 92497), (391, 54410), (782, 27205), (1955, 10882), (3910, 5441)]