21267528

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 55056000

約数和(自身を除く): 33788472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 73, 122, 146, 183, 199, 219, 244, 292, 366, 398, 438, 488, 584, 597, 732, 796, 876, 1194, 1464, 1592, 1752, 2388, 4453, 4776, 8906, 12139, 13359, 14527, 17812, 24278, 26718, 29054, 35624, 36417, 43581, 48556, 53436, 58108, 72834, 87162, 97112, 106872, 116216, 145668, 174324, 291336, 348648, 886147, 1772294, 2658441, 3544588, 5316882, 7089176, 10633764, 21267528]

約数ペア:

[(1, 21267528), (2, 10633764), (3, 7089176), (4, 5316882), (6, 3544588), (8, 2658441), (12, 1772294), (24, 886147), (61, 348648), (73, 291336), (122, 174324), (146, 145668), (183, 116216), (199, 106872), (219, 97112), (244, 87162), (292, 72834), (366, 58108), (398, 53436), (438, 48556), (488, 43581), (584, 36417), (597, 35624), (732, 29054), (796, 26718), (876, 24278), (1194, 17812), (1464, 14527), (1592, 13359), (1752, 12139), (2388, 8906), (4453, 4776)]