21603510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 58806000

約数和(自身を除く): 37202490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 149, 162, 179, 270, 298, 358, 405, 447, 537, 745, 810, 894, 895, 1074, 1341, 1490, 1611, 1790, 2235, 2682, 2685, 3222, 4023, 4470, 4833, 5370, 6705, 8046, 8055, 9666, 12069, 13410, 14499, 16110, 20115, 24138, 24165, 26671, 28998, 40230, 48330, 53342, 60345, 72495, 80013, 120690, 133355, 144990, 160026, 240039, 266710, 400065, 480078, 720117, 800130, 1200195, 1440234, 2160351, 2400390, 3600585, 4320702, 7201170, 10801755, 21603510]

約数ペア:

[(1, 21603510), (2, 10801755), (3, 7201170), (5, 4320702), (6, 3600585), (9, 2400390), (10, 2160351), (15, 1440234), (18, 1200195), (27, 800130), (30, 720117), (45, 480078), (54, 400065), (81, 266710), (90, 240039), (135, 160026), (149, 144990), (162, 133355), (179, 120690), (270, 80013), (298, 72495), (358, 60345), (405, 53342), (447, 48330), (537, 40230), (745, 28998), (810, 26671), (894, 24165), (895, 24138), (1074, 20115), (1341, 16110), (1490, 14499), (1611, 13410), (1790, 12069), (2235, 9666), (2682, 8055), (2685, 8046), (3222, 6705), (4023, 5370), (4470, 4833)]