21374836

素因数分解:

$2^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1033}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 42848960

約数和(自身を除く): 21474124

約数列:

[1, 2, 4, 7, 14, 28, 739, 1033, 1478, 2066, 2956, 4132, 5173, 7231, 10346, 14462, 20692, 28924, 763387, 1526774, 3053548, 5343709, 10687418, 21374836]

約数ペア:

[(1, 21374836), (2, 10687418), (4, 5343709), (7, 3053548), (14, 1526774), (28, 763387), (739, 28924), (1033, 20692), (1478, 14462), (2066, 10346), (2956, 7231), (4132, 5173)]