21167150075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{77699}}^1$

素因数の和:78367

約数の個数: 24

約数和(自身を含む): 27834937200

約数和(自身を除く): 6667787125

約数列:

[1, 5, 17, 25, 85, 425, 641, 3205, 10897, 16025, 54485, 77699, 272425, 388495, 1320883, 1942475, 6604415, 33022075, 49805059, 249025295, 846686003, 1245126475, 4233430015, 21167150075]

約数ペア:

[(1, 21167150075), (5, 4233430015), (17, 1245126475), (25, 846686003), (85, 249025295), (425, 49805059), (641, 33022075), (3205, 6604415), (10897, 1942475), (16025, 1320883), (54485, 388495), (77699, 272425)]