21513000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 68739840

約数和(自身を除く): 47226840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 71, 75, 100, 101, 120, 125, 142, 150, 200, 202, 213, 250, 284, 300, 303, 355, 375, 404, 426, 500, 505, 568, 600, 606, 710, 750, 808, 852, 1000, 1010, 1065, 1212, 1420, 1500, 1515, 1704, 1775, 2020, 2130, 2424, 2525, 2840, 3000, 3030, 3550, 4040, 4260, 5050, 5325, 6060, 7100, 7171, 7575, 8520, 8875, 10100, 10650, 12120, 12625, 14200, 14342, 15150, 17750, 20200, 21300, 21513, 25250, 26625, 28684, 30300, 35500, 35855, 37875, 42600, 43026, 50500, 53250, 57368, 60600, 71000, 71710, 75750, 86052, 101000, 106500, 107565, 143420, 151500, 172104, 179275, 213000, 215130, 286840, 303000, 358550, 430260, 537825, 717100, 860520, 896375, 1075650, 1434200, 1792750, 2151300, 2689125, 3585500, 4302600, 5378250, 7171000, 10756500, 21513000]

約数ペア:

[(1, 21513000), (2, 10756500), (3, 7171000), (4, 5378250), (5, 4302600), (6, 3585500), (8, 2689125), (10, 2151300), (12, 1792750), (15, 1434200), (20, 1075650), (24, 896375), (25, 860520), (30, 717100), (40, 537825), (50, 430260), (60, 358550), (71, 303000), (75, 286840), (100, 215130), (101, 213000), (120, 179275), (125, 172104), (142, 151500), (150, 143420), (200, 107565), (202, 106500), (213, 101000), (250, 86052), (284, 75750), (300, 71710), (303, 71000), (355, 60600), (375, 57368), (404, 53250), (426, 50500), (500, 43026), (505, 42600), (568, 37875), (600, 35855), (606, 35500), (710, 30300), (750, 28684), (808, 26625), (852, 25250), (1000, 21513), (1010, 21300), (1065, 20200), (1212, 17750), (1420, 15150), (1500, 14342), (1515, 14200), (1704, 12625), (1775, 12120), (2020, 10650), (2130, 10100), (2424, 8875), (2525, 8520), (2840, 7575), (3000, 7171), (3030, 7100), (3550, 6060), (4040, 5325), (4260, 5050)]