21769996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 40491360

約数和(自身を除く): 18721364

約数列:

[1, 2, 4, 17, 34, 68, 389, 778, 823, 1556, 1646, 3292, 6613, 13226, 13991, 26452, 27982, 55964, 320147, 640294, 1280588, 5442499, 10884998, 21769996]

約数ペア:

[(1, 21769996), (2, 10884998), (4, 5442499), (17, 1280588), (34, 640294), (68, 320147), (389, 55964), (778, 27982), (823, 26452), (1556, 13991), (1646, 13226), (3292, 6613)]