21835980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4493}}^1$

素因数の和:4517

約数の個数: 72

約数和(自身を含む): 68704272

約数和(自身を除く): 46868292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4493, 4860, 8986, 13479, 17972, 22465, 26958, 40437, 44930, 53916, 67395, 80874, 89860, 121311, 134790, 161748, 202185, 242622, 269580, 363933, 404370, 485244, 606555, 727866, 808740, 1091799, 1213110, 1455732, 1819665, 2183598, 2426220, 3639330, 4367196, 5458995, 7278660, 10917990, 21835980]

約数ペア:

[(1, 21835980), (2, 10917990), (3, 7278660), (4, 5458995), (5, 4367196), (6, 3639330), (9, 2426220), (10, 2183598), (12, 1819665), (15, 1455732), (18, 1213110), (20, 1091799), (27, 808740), (30, 727866), (36, 606555), (45, 485244), (54, 404370), (60, 363933), (81, 269580), (90, 242622), (108, 202185), (135, 161748), (162, 134790), (180, 121311), (243, 89860), (270, 80874), (324, 67395), (405, 53916), (486, 44930), (540, 40437), (810, 26958), (972, 22465), (1215, 17972), (1620, 13479), (2430, 8986), (4493, 4860)]