21196620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2344

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 48657780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2295, 2309, 3060, 4590, 4618, 6927, 9180, 9236, 11545, 13854, 20781, 23090, 27708, 34635, 39253, 41562, 46180, 62343, 69270, 78506, 83124, 103905, 117759, 124686, 138540, 157012, 196265, 207810, 235518, 249372, 311715, 353277, 392530, 415620, 471036, 588795, 623430, 706554, 785060, 1059831, 1177590, 1246860, 1413108, 1766385, 2119662, 2355180, 3532770, 4239324, 5299155, 7065540, 10598310, 21196620]

約数ペア:

[(1, 21196620), (2, 10598310), (3, 7065540), (4, 5299155), (5, 4239324), (6, 3532770), (9, 2355180), (10, 2119662), (12, 1766385), (15, 1413108), (17, 1246860), (18, 1177590), (20, 1059831), (27, 785060), (30, 706554), (34, 623430), (36, 588795), (45, 471036), (51, 415620), (54, 392530), (60, 353277), (68, 311715), (85, 249372), (90, 235518), (102, 207810), (108, 196265), (135, 157012), (153, 138540), (170, 124686), (180, 117759), (204, 103905), (255, 83124), (270, 78506), (306, 69270), (340, 62343), (459, 46180), (510, 41562), (540, 39253), (612, 34635), (765, 27708), (918, 23090), (1020, 20781), (1530, 13854), (1836, 11545), (2295, 9236), (2309, 9180), (3060, 6927), (4590, 4618)]