21917970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243533}}^1$

素因数の和:243546

約数の個数: 24

約数和(自身を含む): 56986956

約数和(自身を除く): 35068986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243533, 487066, 730599, 1217665, 1461198, 2191797, 2435330, 3652995, 4383594, 7305990, 10958985, 21917970]

約数ペア:

[(1, 21917970), (2, 10958985), (3, 7305990), (5, 4383594), (6, 3652995), (9, 2435330), (10, 2191797), (15, 1461198), (18, 1217665), (30, 730599), (45, 487066), (90, 243533)]