21870492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260363}}^1$

素因数の和:260377

約数の個数: 24

約数和(自身を含む): 58321536

約数和(自身を除く): 36451044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260363, 520726, 781089, 1041452, 1562178, 1822541, 3124356, 3645082, 5467623, 7290164, 10935246, 21870492]

約数ペア:

[(1, 21870492), (2, 10935246), (3, 7290164), (4, 5467623), (6, 3645082), (7, 3124356), (12, 1822541), (14, 1562178), (21, 1041452), (28, 781089), (42, 520726), (84, 260363)]