21994090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2022

約数の個数: 32

約数和(自身を含む): 42565824

約数和(自身を除く): 20571734

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 1931, 2278, 3862, 5695, 9655, 11390, 19310, 32827, 65654, 129377, 164135, 258754, 328270, 646885, 1293770, 2199409, 4398818, 10997045, 21994090]

約数ペア:

[(1, 21994090), (2, 10997045), (5, 4398818), (10, 2199409), (17, 1293770), (34, 646885), (67, 328270), (85, 258754), (134, 164135), (170, 129377), (335, 65654), (670, 32827), (1139, 19310), (1931, 11390), (2278, 9655), (3862, 5695)]