21386502

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28979}}^1$

素因数の和:29028

約数の個数: 24

約数和(自身を含む): 47469240

約数和(自身を除く): 26082738

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28979, 57958, 86937, 173874, 260811, 521622, 1188139, 2376278, 3564417, 7128834, 10693251, 21386502]

約数ペア:

[(1, 21386502), (2, 10693251), (3, 7128834), (6, 3564417), (9, 2376278), (18, 1188139), (41, 521622), (82, 260811), (123, 173874), (246, 86937), (369, 57958), (738, 28979)]