21343945

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{2663}}^1$

素因数の和:2904

約数の個数: 16

約数和(自身を含む): 29410560

約数和(自身を除く): 8066615

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 2663, 8015, 13315, 18641, 93205, 609827, 3049135, 4268789, 21343945]

約数ペア:

[(1, 21343945), (5, 4268789), (7, 3049135), (35, 609827), (229, 93205), (1145, 18641), (1603, 13315), (2663, 8015)]