21203300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4988

約数の個数: 36

約数和(自身を含む): 47090736

約数和(自身を除く): 25887436

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 4931, 9862, 19724, 24655, 49310, 98620, 123275, 212033, 246550, 424066, 493100, 848132, 1060165, 2120330, 4240660, 5300825, 10601650, 21203300]

約数ペア:

[(1, 21203300), (2, 10601650), (4, 5300825), (5, 4240660), (10, 2120330), (20, 1060165), (25, 848132), (43, 493100), (50, 424066), (86, 246550), (100, 212033), (172, 123275), (215, 98620), (430, 49310), (860, 24655), (1075, 19724), (2150, 9862), (4300, 4931)]