2021282090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{21487}}^1$

素因数の和:21926

約数の個数: 32

約数和(自身を含む): 3805954560

約数和(自身を除く): 1784672470

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 409, 818, 2045, 4090, 9407, 18814, 21487, 42974, 47035, 94070, 107435, 214870, 494201, 988402, 2471005, 4942010, 8788183, 17576366, 43940915, 87881830, 202128209, 404256418, 1010641045, 2021282090]

約数ペア:

[(1, 2021282090), (2, 1010641045), (5, 404256418), (10, 202128209), (23, 87881830), (46, 43940915), (115, 17576366), (230, 8788183), (409, 4942010), (818, 2471005), (2045, 988402), (4090, 494201), (9407, 214870), (18814, 107435), (21487, 94070), (42974, 47035)]