21581574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7039}}^1$

素因数の和:7124

約数の個数: 32

約数和(自身を含む): 50012160

約数和(自身を除く): 28430586

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 7039, 14078, 21117, 42234, 49273, 98546, 147819, 295638, 513847, 1027694, 1541541, 3083082, 3596929, 7193858, 10790787, 21581574]

約数ペア:

[(1, 21581574), (2, 10790787), (3, 7193858), (6, 3596929), (7, 3083082), (14, 1541541), (21, 1027694), (42, 513847), (73, 295638), (146, 147819), (219, 98546), (438, 49273), (511, 42234), (1022, 21117), (1533, 14078), (3066, 7039)]