2021987090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6522539}}^1$

素因数の和:6522577

約数の個数: 16

約数和(自身を含む): 3756983040

約数和(自身を除く): 1734995950

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6522539, 13045078, 32612695, 65225390, 202198709, 404397418, 1010993545, 2021987090]

約数ペア:

[(1, 2021987090), (2, 1010993545), (5, 404397418), (10, 202198709), (31, 65225390), (62, 32612695), (155, 13045078), (310, 6522539)]