21273357200

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1437389}}^1$

素因数の和:1437444

約数の個数: 60

約数和(自身を含む): 52490608020

約数和(自身を除く): 31217250820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 7400, 14800, 1437389, 2874778, 5749556, 7186945, 11499112, 14373890, 22998224, 28747780, 35934725, 53183393, 57495560, 71869450, 106366786, 114991120, 143738900, 212733572, 265916965, 287477800, 425467144, 531833930, 574955600, 850934288, 1063667860, 1329584825, 2127335720, 2659169650, 4254671440, 5318339300, 10636678600, 21273357200]

約数ペア:

[(1, 21273357200), (2, 10636678600), (4, 5318339300), (5, 4254671440), (8, 2659169650), (10, 2127335720), (16, 1329584825), (20, 1063667860), (25, 850934288), (37, 574955600), (40, 531833930), (50, 425467144), (74, 287477800), (80, 265916965), (100, 212733572), (148, 143738900), (185, 114991120), (200, 106366786), (296, 71869450), (370, 57495560), (400, 53183393), (592, 35934725), (740, 28747780), (925, 22998224), (1480, 14373890), (1850, 11499112), (2960, 7186945), (3700, 5749556), (7400, 2874778), (14800, 1437389)]