21275262

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 49179312

約数和(自身を除く): 27904050

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 251, 277, 306, 502, 554, 753, 831, 1506, 1662, 2259, 2493, 4267, 4518, 4709, 4986, 8534, 9418, 12801, 14127, 25602, 28254, 38403, 42381, 69527, 76806, 84762, 139054, 208581, 417162, 625743, 1181959, 1251486, 2363918, 3545877, 7091754, 10637631, 21275262]

約数ペア:

[(1, 21275262), (2, 10637631), (3, 7091754), (6, 3545877), (9, 2363918), (17, 1251486), (18, 1181959), (34, 625743), (51, 417162), (102, 208581), (153, 139054), (251, 84762), (277, 76806), (306, 69527), (502, 42381), (554, 38403), (753, 28254), (831, 25602), (1506, 14127), (1662, 12801), (2259, 9418), (2493, 8534), (4267, 4986), (4518, 4709)]