21202200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11779}}^1$

素因数の和:11801

約数の個数: 72

約数和(自身を含む): 71210100

約数和(自身を除く): 50007900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11779, 23558, 35337, 47116, 58895, 70674, 94232, 106011, 117790, 141348, 176685, 212022, 235580, 282696, 294475, 353370, 424044, 471160, 530055, 588950, 706740, 848088, 883425, 1060110, 1177900, 1413480, 1766850, 2120220, 2355800, 2650275, 3533700, 4240440, 5300550, 7067400, 10601100, 21202200]

約数ペア:

[(1, 21202200), (2, 10601100), (3, 7067400), (4, 5300550), (5, 4240440), (6, 3533700), (8, 2650275), (9, 2355800), (10, 2120220), (12, 1766850), (15, 1413480), (18, 1177900), (20, 1060110), (24, 883425), (25, 848088), (30, 706740), (36, 588950), (40, 530055), (45, 471160), (50, 424044), (60, 353370), (72, 294475), (75, 282696), (90, 235580), (100, 212022), (120, 176685), (150, 141348), (180, 117790), (200, 106011), (225, 94232), (300, 70674), (360, 58895), (450, 47116), (600, 35337), (900, 23558), (1800, 11779)]