21003756

素因数分解:

$2^2\times 3^1\times {\mathrm{1319}}^1\times {\mathrm{1327}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 49082880

約数和(自身を除く): 28079124

約数列:

[1, 2, 3, 4, 6, 12, 1319, 1327, 2638, 2654, 3957, 3981, 5276, 5308, 7914, 7962, 15828, 15924, 1750313, 3500626, 5250939, 7001252, 10501878, 21003756]

約数ペア:

[(1, 21003756), (2, 10501878), (3, 7001252), (4, 5250939), (6, 3500626), (12, 1750313), (1319, 15924), (1327, 15828), (2638, 7962), (2654, 7914), (3957, 5308), (3981, 5276)]