21877320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5881}}^1$

素因数の和:5926

約数の個数: 64

約数和(自身を含む): 67760640

約数和(自身を除く): 45883320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5881, 11762, 17643, 23524, 29405, 35286, 47048, 58810, 70572, 88215, 117620, 141144, 176430, 182311, 235240, 352860, 364622, 546933, 705720, 729244, 911555, 1093866, 1458488, 1823110, 2187732, 2734665, 3646220, 4375464, 5469330, 7292440, 10938660, 21877320]

約数ペア:

[(1, 21877320), (2, 10938660), (3, 7292440), (4, 5469330), (5, 4375464), (6, 3646220), (8, 2734665), (10, 2187732), (12, 1823110), (15, 1458488), (20, 1093866), (24, 911555), (30, 729244), (31, 705720), (40, 546933), (60, 364622), (62, 352860), (93, 235240), (120, 182311), (124, 176430), (155, 141144), (186, 117620), (248, 88215), (310, 70572), (372, 58810), (465, 47048), (620, 35286), (744, 29405), (930, 23524), (1240, 17643), (1860, 11762), (3720, 5881)]