21041838

素因数分解:

$2^1\times 3^2\times {\mathrm{613}}^1\times {\mathrm{1907}}^1$

素因数の和:2528

約数の個数: 24

約数和(自身を含む): 45688968

約数和(自身を除く): 24647130

約数列:

[1, 2, 3, 6, 9, 18, 613, 1226, 1839, 1907, 3678, 3814, 5517, 5721, 11034, 11442, 17163, 34326, 1168991, 2337982, 3506973, 7013946, 10520919, 21041838]

約数ペア:

[(1, 21041838), (2, 10520919), (3, 7013946), (6, 3506973), (9, 2337982), (18, 1168991), (613, 34326), (1226, 17163), (1839, 11442), (1907, 11034), (3678, 5721), (3814, 5517)]