21201300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23557}}^1$

素因数の和:23577

約数の個数: 54

約数和(自身を含む): 66457118

約数和(自身を除く): 45255818

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23557, 47114, 70671, 94228, 117785, 141342, 212013, 235570, 282684, 353355, 424026, 471140, 588925, 706710, 848052, 1060065, 1177850, 1413420, 1766775, 2120130, 2355700, 3533550, 4240260, 5300325, 7067100, 10600650, 21201300]

約数ペア:

[(1, 21201300), (2, 10600650), (3, 7067100), (4, 5300325), (5, 4240260), (6, 3533550), (9, 2355700), (10, 2120130), (12, 1766775), (15, 1413420), (18, 1177850), (20, 1060065), (25, 848052), (30, 706710), (36, 588925), (45, 471140), (50, 424026), (60, 353355), (75, 282684), (90, 235570), (100, 212013), (150, 141342), (180, 117785), (225, 94228), (300, 70671), (450, 47114), (900, 23557)]