21234038242565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3907}}^1\times {\mathrm{689267}}^1$

素因数の和:693281

約数の個数: 32

約数和(自身を含む): 27152086187520

約数和(自身を除く): 5918047944955

約数列:

[1, 5, 19, 83, 95, 415, 1577, 3907, 7885, 19535, 74233, 324281, 371165, 689267, 1621405, 3446335, 6161339, 13096073, 30806695, 57209161, 65480365, 286045805, 1086974059, 2692966169, 5434870295, 13464830845, 51166357211, 223516192027, 255831786055, 1117580960135, 4246807648513, 21234038242565]

約数ペア:

[(1, 21234038242565), (5, 4246807648513), (19, 1117580960135), (83, 255831786055), (95, 223516192027), (415, 51166357211), (1577, 13464830845), (3907, 5434870295), (7885, 2692966169), (19535, 1086974059), (74233, 286045805), (324281, 65480365), (371165, 57209161), (689267, 30806695), (1621405, 13096073), (3446335, 6161339)]