21455124

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 51744000

約数和(自身を除く): 30288876

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 109, 141, 188, 218, 282, 327, 349, 436, 564, 654, 698, 1047, 1308, 1396, 2094, 4188, 5123, 10246, 15369, 16403, 20492, 30738, 32806, 38041, 49209, 61476, 65612, 76082, 98418, 114123, 152164, 196836, 228246, 456492, 1787927, 3575854, 5363781, 7151708, 10727562, 21455124]

約数ペア:

[(1, 21455124), (2, 10727562), (3, 7151708), (4, 5363781), (6, 3575854), (12, 1787927), (47, 456492), (94, 228246), (109, 196836), (141, 152164), (188, 114123), (218, 98418), (282, 76082), (327, 65612), (349, 61476), (436, 49209), (564, 38041), (654, 32806), (698, 30738), (1047, 20492), (1308, 16403), (1396, 15369), (2094, 10246), (4188, 5123)]