21420945720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2203801}}^1$

素因数の和:2203827

約数の個数: 96

約数和(自身を含む): 72196553520

約数和(自身を除く): 50775607800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 2203801, 4407602, 6611403, 8815204, 11019005, 13222806, 17630408, 19834209, 22038010, 26445612, 33057015, 39668418, 44076020, 52891224, 59502627, 66114030, 79336836, 88152040, 99171045, 119005254, 132228060, 158673672, 178507881, 198342090, 238010508, 264456120, 297513135, 357015762, 396684180, 476021016, 535523643, 595026270, 714031524, 793368360, 892539405, 1071047286, 1190052540, 1428063048, 1785078810, 2142094572, 2380105080, 2677618215, 3570157620, 4284189144, 5355236430, 7140315240, 10710472860, 21420945720]

約数ペア:

[(1, 21420945720), (2, 10710472860), (3, 7140315240), (4, 5355236430), (5, 4284189144), (6, 3570157620), (8, 2677618215), (9, 2380105080), (10, 2142094572), (12, 1785078810), (15, 1428063048), (18, 1190052540), (20, 1071047286), (24, 892539405), (27, 793368360), (30, 714031524), (36, 595026270), (40, 535523643), (45, 476021016), (54, 396684180), (60, 357015762), (72, 297513135), (81, 264456120), (90, 238010508), (108, 198342090), (120, 178507881), (135, 158673672), (162, 132228060), (180, 119005254), (216, 99171045), (243, 88152040), (270, 79336836), (324, 66114030), (360, 59502627), (405, 52891224), (486, 44076020), (540, 39668418), (648, 33057015), (810, 26445612), (972, 22038010), (1080, 19834209), (1215, 17630408), (1620, 13222806), (1944, 11019005), (2430, 8815204), (3240, 6611403), (4860, 4407602), (9720, 2203801)]