21690608

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46747}}^1$

素因数の和:46784

約数の個数: 20

約数和(自身を含む): 43475640

約数和(自身を除く): 21785032

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46747, 93494, 186988, 373976, 747952, 1355663, 2711326, 5422652, 10845304, 21690608]

約数ペア:

[(1, 21690608), (2, 10845304), (4, 5422652), (8, 2711326), (16, 1355663), (29, 747952), (58, 373976), (116, 186988), (232, 93494), (464, 46747)]