21990798

素因数分解:

$2^1\times 3^3\times {\mathrm{283}}^1\times {\mathrm{1439}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 27084402

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 283, 566, 849, 1439, 1698, 2547, 2878, 4317, 5094, 7641, 8634, 12951, 15282, 25902, 38853, 77706, 407237, 814474, 1221711, 2443422, 3665133, 7330266, 10995399, 21990798]

約数ペア:

[(1, 21990798), (2, 10995399), (3, 7330266), (6, 3665133), (9, 2443422), (18, 1221711), (27, 814474), (54, 407237), (283, 77706), (566, 38853), (849, 25902), (1439, 15282), (1698, 12951), (2547, 8634), (2878, 7641), (4317, 5094)]