21238126

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 39872448

約数和(自身を除く): 18634322

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 1913, 3826, 5551, 11102, 13391, 24869, 26782, 49738, 116693, 174083, 233386, 348166, 816851, 1517009, 1633702, 3034018, 10619063, 21238126]

約数ペア:

[(1, 21238126), (2, 10619063), (7, 3034018), (13, 1633702), (14, 1517009), (26, 816851), (61, 348166), (91, 233386), (122, 174083), (182, 116693), (427, 49738), (793, 26782), (854, 24869), (1586, 13391), (1913, 11102), (3826, 5551)]