21482812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3253}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 40818176

約数和(自身を除く): 19335364

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3253, 3302, 6506, 6604, 13012, 42289, 84578, 169156, 413131, 826262, 1652524, 5370703, 10741406, 21482812]

約数ペア:

[(1, 21482812), (2, 10741406), (4, 5370703), (13, 1652524), (26, 826262), (52, 413131), (127, 169156), (254, 84578), (508, 42289), (1651, 13012), (3253, 6604), (3302, 6506)]