21996793

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 7275527

約数列:

[1, 7, 13, 17, 59, 91, 119, 221, 241, 413, 767, 1003, 1547, 1687, 3133, 4097, 5369, 7021, 13039, 14219, 21931, 28679, 53261, 91273, 99533, 184847, 241723, 372827, 1293929, 1692061, 3142399, 21996793]

約数ペア:

[(1, 21996793), (7, 3142399), (13, 1692061), (17, 1293929), (59, 372827), (91, 241723), (119, 184847), (221, 99533), (241, 91273), (413, 53261), (767, 28679), (1003, 21931), (1547, 14219), (1687, 13039), (3133, 7021), (4097, 5369)]