21440672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3583}}^1$

素因数の和:3621

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 27330400

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3583, 5984, 7166, 14332, 28664, 39413, 57328, 60911, 78826, 114656, 121822, 157652, 243644, 315304, 487288, 630608, 670021, 974576, 1261216, 1340042, 1949152, 2680084, 5360168, 10720336, 21440672]

約数ペア:

[(1, 21440672), (2, 10720336), (4, 5360168), (8, 2680084), (11, 1949152), (16, 1340042), (17, 1261216), (22, 974576), (32, 670021), (34, 630608), (44, 487288), (68, 315304), (88, 243644), (136, 157652), (176, 121822), (187, 114656), (272, 78826), (352, 60911), (374, 57328), (544, 39413), (748, 28664), (1496, 14332), (2992, 7166), (3583, 5984)]