21180796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58189}}^1$

素因数の和:58213

約数の個数: 24

約数和(自身を含む): 45620960

約数和(自身を除く): 24440164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58189, 116378, 232756, 407323, 756457, 814646, 1512914, 1629292, 3025828, 5295199, 10590398, 21180796]

約数ペア:

[(1, 21180796), (2, 10590398), (4, 5295199), (7, 3025828), (13, 1629292), (14, 1512914), (26, 814646), (28, 756457), (52, 407323), (91, 232756), (182, 116378), (364, 58189)]