21104706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30735294

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 53, 57, 106, 114, 133, 159, 266, 318, 371, 399, 499, 742, 798, 998, 1007, 1113, 1497, 2014, 2226, 2994, 3021, 3493, 6042, 6986, 7049, 9481, 10479, 14098, 18962, 20958, 21147, 26447, 28443, 42294, 52894, 56886, 66367, 79341, 132734, 158682, 185129, 199101, 370258, 398202, 502493, 555387, 1004986, 1110774, 1507479, 3014958, 3517451, 7034902, 10552353, 21104706]

約数ペア:

[(1, 21104706), (2, 10552353), (3, 7034902), (6, 3517451), (7, 3014958), (14, 1507479), (19, 1110774), (21, 1004986), (38, 555387), (42, 502493), (53, 398202), (57, 370258), (106, 199101), (114, 185129), (133, 158682), (159, 132734), (266, 79341), (318, 66367), (371, 56886), (399, 52894), (499, 42294), (742, 28443), (798, 26447), (998, 21147), (1007, 20958), (1113, 18962), (1497, 14098), (2014, 10479), (2226, 9481), (2994, 7049), (3021, 6986), (3493, 6042)]