21351356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3767}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 40619040

約数和(自身を除く): 19267684

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3767, 5668, 7534, 15068, 48971, 97942, 195884, 410603, 821206, 1642412, 5337839, 10675678, 21351356]

約数ペア:

[(1, 21351356), (2, 10675678), (4, 5337839), (13, 1642412), (26, 821206), (52, 410603), (109, 195884), (218, 97942), (436, 48971), (1417, 15068), (2834, 7534), (3767, 5668)]