21000663431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{4373}}^1$

素因数の和:4883

約数の個数: 32

約数和(自身を含む): 24719328576

約数和(自身を除く): 3718665145

約数列:

[1, 11, 17, 61, 187, 421, 671, 1037, 4373, 4631, 7157, 11407, 25681, 48103, 74341, 78727, 266753, 282491, 436577, 817751, 1841033, 2934283, 4534801, 4802347, 20251363, 31297561, 49882811, 112303013, 344273171, 1235333143, 1909151221, 21000663431]

約数ペア:

[(1, 21000663431), (11, 1909151221), (17, 1235333143), (61, 344273171), (187, 112303013), (421, 49882811), (671, 31297561), (1037, 20251363), (4373, 4802347), (4631, 4534801), (7157, 2934283), (11407, 1841033), (25681, 817751), (48103, 436577), (74341, 282491), (78727, 266753)]