21013516080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29185439}}^1$

素因数の和:29185458

約数の個数: 60

約数和(自身を含む): 70570393920

約数和(自身を除く): 49556877840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29185439, 58370878, 87556317, 116741756, 145927195, 175112634, 233483512, 262668951, 291854390, 350225268, 437781585, 466967024, 525337902, 583708780, 700450536, 875563170, 1050675804, 1167417560, 1313344755, 1400901072, 1751126340, 2101351608, 2334835120, 2626689510, 3502252680, 4202703216, 5253379020, 7004505360, 10506758040, 21013516080]

約数ペア:

[(1, 21013516080), (2, 10506758040), (3, 7004505360), (4, 5253379020), (5, 4202703216), (6, 3502252680), (8, 2626689510), (9, 2334835120), (10, 2101351608), (12, 1751126340), (15, 1400901072), (16, 1313344755), (18, 1167417560), (20, 1050675804), (24, 875563170), (30, 700450536), (36, 583708780), (40, 525337902), (45, 466967024), (48, 437781585), (60, 350225268), (72, 291854390), (80, 262668951), (90, 233483512), (120, 175112634), (144, 145927195), (180, 116741756), (240, 87556317), (360, 58370878), (720, 29185439)]