21188388750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{811}}^1\times {\mathrm{6967}}^1$

素因数の和:7803

約数の個数: 80

約数和(自身を含む): 53026925952

約数和(自身を除く): 31838537202

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 811, 1250, 1622, 1875, 2433, 3750, 4055, 4866, 6967, 8110, 12165, 13934, 20275, 20901, 24330, 34835, 40550, 41802, 60825, 69670, 101375, 104505, 121650, 174175, 202750, 209010, 304125, 348350, 506875, 522525, 608250, 870875, 1013750, 1045050, 1520625, 1741750, 2612625, 3041250, 4354375, 5225250, 5650237, 8708750, 11300474, 13063125, 16950711, 26126250, 28251185, 33901422, 56502370, 84753555, 141255925, 169507110, 282511850, 423767775, 706279625, 847535550, 1412559250, 2118838875, 3531398125, 4237677750, 7062796250, 10594194375, 21188388750]

約数ペア:

[(1, 21188388750), (2, 10594194375), (3, 7062796250), (5, 4237677750), (6, 3531398125), (10, 2118838875), (15, 1412559250), (25, 847535550), (30, 706279625), (50, 423767775), (75, 282511850), (125, 169507110), (150, 141255925), (250, 84753555), (375, 56502370), (625, 33901422), (750, 28251185), (811, 26126250), (1250, 16950711), (1622, 13063125), (1875, 11300474), (2433, 8708750), (3750, 5650237), (4055, 5225250), (4866, 4354375), (6967, 3041250), (8110, 2612625), (12165, 1741750), (13934, 1520625), (20275, 1045050), (20901, 1013750), (24330, 870875), (34835, 608250), (40550, 522525), (41802, 506875), (60825, 348350), (69670, 304125), (101375, 209010), (104505, 202750), (121650, 174175)]