21801060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3953

約数の個数: 72

約数和(自身を含む): 68280576

約数和(自身を除く): 46479516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3907, 5580, 7814, 11721, 15628, 19535, 23442, 35163, 39070, 46884, 58605, 70326, 78140, 117210, 121117, 140652, 175815, 234420, 242234, 351630, 363351, 484468, 605585, 703260, 726702, 1090053, 1211170, 1453404, 1816755, 2180106, 2422340, 3633510, 4360212, 5450265, 7267020, 10900530, 21801060]

約数ペア:

[(1, 21801060), (2, 10900530), (3, 7267020), (4, 5450265), (5, 4360212), (6, 3633510), (9, 2422340), (10, 2180106), (12, 1816755), (15, 1453404), (18, 1211170), (20, 1090053), (30, 726702), (31, 703260), (36, 605585), (45, 484468), (60, 363351), (62, 351630), (90, 242234), (93, 234420), (124, 175815), (155, 140652), (180, 121117), (186, 117210), (279, 78140), (310, 70326), (372, 58605), (465, 46884), (558, 39070), (620, 35163), (930, 23442), (1116, 19535), (1395, 15628), (1860, 11721), (2790, 7814), (3907, 5580)]