21940336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7333}}^1$

素因数の和:7369

約数の個数: 40

約数和(自身を含む): 49108464

約数和(自身を除く): 27168128

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7333, 14666, 29332, 58664, 80663, 117328, 124661, 161326, 249322, 322652, 498644, 645304, 997288, 1290608, 1371271, 1994576, 2742542, 5485084, 10970168, 21940336]

約数ペア:

[(1, 21940336), (2, 10970168), (4, 5485084), (8, 2742542), (11, 1994576), (16, 1371271), (17, 1290608), (22, 997288), (34, 645304), (44, 498644), (68, 322652), (88, 249322), (136, 161326), (176, 124661), (187, 117328), (272, 80663), (374, 58664), (748, 29332), (1496, 14666), (2992, 7333)]