21031650

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{577}}^1$

素因数の和:607

約数の個数: 84

約数和(自身を含む): 58753122

約数和(自身を除く): 37721472

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 577, 675, 729, 810, 1154, 1215, 1350, 1458, 1731, 2025, 2430, 2885, 3462, 3645, 4050, 5193, 5770, 6075, 7290, 8655, 10386, 12150, 14425, 15579, 17310, 18225, 25965, 28850, 31158, 36450, 43275, 46737, 51930, 77895, 86550, 93474, 129825, 140211, 155790, 233685, 259650, 280422, 389475, 420633, 467370, 701055, 778950, 841266, 1168425, 1402110, 2103165, 2336850, 3505275, 4206330, 7010550, 10515825, 21031650]

約数ペア:

[(1, 21031650), (2, 10515825), (3, 7010550), (5, 4206330), (6, 3505275), (9, 2336850), (10, 2103165), (15, 1402110), (18, 1168425), (25, 841266), (27, 778950), (30, 701055), (45, 467370), (50, 420633), (54, 389475), (75, 280422), (81, 259650), (90, 233685), (135, 155790), (150, 140211), (162, 129825), (225, 93474), (243, 86550), (270, 77895), (405, 51930), (450, 46737), (486, 43275), (577, 36450), (675, 31158), (729, 28850), (810, 25965), (1154, 18225), (1215, 17310), (1350, 15579), (1458, 14425), (1731, 12150), (2025, 10386), (2430, 8655), (2885, 7290), (3462, 6075), (3645, 5770), (4050, 5193)]