2021293430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{20219}}^1$

素因数の和:21008

約数の個数: 32

約数和(自身を含む): 3923488800

約数和(自身を除く): 1902195370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 769, 1538, 3845, 7690, 9997, 19994, 20219, 40438, 49985, 99970, 101095, 202190, 262847, 525694, 1314235, 2628470, 15548411, 31096822, 77742055, 155484110, 202129343, 404258686, 1010646715, 2021293430]

約数ペア:

[(1, 2021293430), (2, 1010646715), (5, 404258686), (10, 202129343), (13, 155484110), (26, 77742055), (65, 31096822), (130, 15548411), (769, 2628470), (1538, 1314235), (3845, 525694), (7690, 262847), (9997, 202190), (19994, 101095), (20219, 99970), (40438, 49985)]