21683438

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 16754962

約数列:

[1, 2, 7, 14, 43, 86, 181, 199, 301, 362, 398, 602, 1267, 1393, 2534, 2786, 7783, 8557, 15566, 17114, 36019, 54481, 59899, 72038, 108962, 119798, 252133, 504266, 1548817, 3097634, 10841719, 21683438]

約数ペア:

[(1, 21683438), (2, 10841719), (7, 3097634), (14, 1548817), (43, 504266), (86, 252133), (181, 119798), (199, 108962), (301, 72038), (362, 59899), (398, 54481), (602, 36019), (1267, 17114), (1393, 15566), (2534, 8557), (2786, 7783)]