21092648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 43234560

約数和(自身を除く): 22141912

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5003, 10006, 20012, 40024, 85051, 155093, 170102, 310186, 340204, 620372, 680408, 1240744, 2636581, 5273162, 10546324, 21092648]

約数ペア:

[(1, 21092648), (2, 10546324), (4, 5273162), (8, 2636581), (17, 1240744), (31, 680408), (34, 620372), (62, 340204), (68, 310186), (124, 170102), (136, 155093), (248, 85051), (527, 40024), (1054, 20012), (2108, 10006), (4216, 5003)]