21842835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{751}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 40138752

約数和(自身を除く): 18295917

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 277, 751, 831, 1385, 1939, 2253, 3755, 4155, 5257, 5817, 9695, 11265, 15771, 26285, 29085, 78855, 208027, 624081, 1040135, 1456189, 3120405, 4368567, 7280945, 21842835]

約数ペア:

[(1, 21842835), (3, 7280945), (5, 4368567), (7, 3120405), (15, 1456189), (21, 1040135), (35, 624081), (105, 208027), (277, 78855), (751, 29085), (831, 26285), (1385, 15771), (1939, 11265), (2253, 9695), (3755, 5817), (4155, 5257)]