21967740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2428

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 50426820

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, 2393, 3060, 4590, 4786, 7179, 9180, 9572, 11965, 14358, 21537, 23930, 28716, 35895, 40681, 43074, 47860, 64611, 71790, 81362, 86148, 107685, 122043, 129222, 143580, 162724, 203405, 215370, 244086, 258444, 323055, 366129, 406810, 430740, 488172, 610215, 646110, 732258, 813620, 1098387, 1220430, 1292220, 1464516, 1830645, 2196774, 2440860, 3661290, 4393548, 5491935, 7322580, 10983870, 21967740]

約数ペア:

[(1, 21967740), (2, 10983870), (3, 7322580), (4, 5491935), (5, 4393548), (6, 3661290), (9, 2440860), (10, 2196774), (12, 1830645), (15, 1464516), (17, 1292220), (18, 1220430), (20, 1098387), (27, 813620), (30, 732258), (34, 646110), (36, 610215), (45, 488172), (51, 430740), (54, 406810), (60, 366129), (68, 323055), (85, 258444), (90, 244086), (102, 215370), (108, 203405), (135, 162724), (153, 143580), (170, 129222), (180, 122043), (204, 107685), (255, 86148), (270, 81362), (306, 71790), (340, 64611), (459, 47860), (510, 43074), (540, 40681), (612, 35895), (765, 28716), (918, 23930), (1020, 21537), (1530, 14358), (1836, 11965), (2295, 9572), (2393, 9180), (3060, 7179), (4590, 4786)]