21287804930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{8867}}^1\times {\mathrm{34297}}^1$

素因数の和:43178

約数の個数: 32

約数和(自身を含む): 43798271616

約数和(自身を除く): 22510466686

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 8867, 17734, 34297, 44335, 62069, 68594, 88670, 124138, 171485, 240079, 310345, 342970, 480158, 620690, 1200395, 2400790, 304111499, 608222998, 1520557495, 2128780493, 3041114990, 4257560986, 10643902465, 21287804930]

約数ペア:

[(1, 21287804930), (2, 10643902465), (5, 4257560986), (7, 3041114990), (10, 2128780493), (14, 1520557495), (35, 608222998), (70, 304111499), (8867, 2400790), (17734, 1200395), (34297, 620690), (44335, 480158), (62069, 342970), (68594, 310345), (88670, 240079), (124138, 171485)]