21000605388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1798613}}^1$

素因数の和:1798766

約数の個数: 48

約数和(自身を含む): 56404535040

約数和(自身を除く): 35403929652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2919, 3892, 5838, 11676, 1798613, 3597226, 5395839, 7194452, 10791678, 12590291, 21583356, 25180582, 37770873, 50361164, 75541746, 151083492, 250007207, 500014414, 750021621, 1000028828, 1500043242, 1750050449, 3000086484, 3500100898, 5250151347, 7000201796, 10500302694, 21000605388]

約数ペア:

[(1, 21000605388), (2, 10500302694), (3, 7000201796), (4, 5250151347), (6, 3500100898), (7, 3000086484), (12, 1750050449), (14, 1500043242), (21, 1000028828), (28, 750021621), (42, 500014414), (84, 250007207), (139, 151083492), (278, 75541746), (417, 50361164), (556, 37770873), (834, 25180582), (973, 21583356), (1668, 12590291), (1946, 10791678), (2919, 7194452), (3892, 5395839), (5838, 3597226), (11676, 1798613)]