21550876784

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{8263373}}^1$

素因数の和:8263544

約数の個数: 20

約数和(自身を含む): 42010993416

約数和(自身を除く): 20460116632

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8263373, 16526746, 33053492, 66106984, 132213968, 1346929799, 2693859598, 5387719196, 10775438392, 21550876784]

約数ペア:

[(1, 21550876784), (2, 10775438392), (4, 5387719196), (8, 2693859598), (16, 1346929799), (163, 132213968), (326, 66106984), (652, 33053492), (1304, 16526746), (2608, 8263373)]