21256732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44657}}^1$

素因数の和:44685

約数の個数: 24

約数和(自身を含む): 45015264

約数和(自身を除く): 23758532

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44657, 89314, 178628, 312599, 625198, 759169, 1250396, 1518338, 3036676, 5314183, 10628366, 21256732]

約数ペア:

[(1, 21256732), (2, 10628366), (4, 5314183), (7, 3036676), (14, 1518338), (17, 1250396), (28, 759169), (34, 625198), (68, 312599), (119, 178628), (238, 89314), (476, 44657)]