21476406

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4297}}^1$

素因数の和:4333

約数の個数: 48

約数和(自身を含む): 52916976

約数和(自身を除く): 31440570

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 357, 714, 833, 1666, 2499, 4297, 4998, 8594, 12891, 25782, 30079, 60158, 73049, 90237, 146098, 180474, 210553, 219147, 421106, 438294, 511343, 631659, 1022686, 1263318, 1534029, 3068058, 3579401, 7158802, 10738203, 21476406]

約数ペア:

[(1, 21476406), (2, 10738203), (3, 7158802), (6, 3579401), (7, 3068058), (14, 1534029), (17, 1263318), (21, 1022686), (34, 631659), (42, 511343), (49, 438294), (51, 421106), (98, 219147), (102, 210553), (119, 180474), (147, 146098), (238, 90237), (294, 73049), (357, 60158), (714, 30079), (833, 25782), (1666, 12891), (2499, 8594), (4297, 4998)]