21049740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2328

約数の個数: 96

約数和(自身を含む): 69370560

約数和(自身を除く): 48320820

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, 2293, 2295, 3060, 4586, 4590, 6879, 9172, 9180, 11465, 13758, 20637, 22930, 27516, 34395, 38981, 41274, 45860, 61911, 68790, 77962, 82548, 103185, 116943, 123822, 137580, 155924, 194905, 206370, 233886, 247644, 309555, 350829, 389810, 412740, 467772, 584715, 619110, 701658, 779620, 1052487, 1169430, 1238220, 1403316, 1754145, 2104974, 2338860, 3508290, 4209948, 5262435, 7016580, 10524870, 21049740]

約数ペア:

[(1, 21049740), (2, 10524870), (3, 7016580), (4, 5262435), (5, 4209948), (6, 3508290), (9, 2338860), (10, 2104974), (12, 1754145), (15, 1403316), (17, 1238220), (18, 1169430), (20, 1052487), (27, 779620), (30, 701658), (34, 619110), (36, 584715), (45, 467772), (51, 412740), (54, 389810), (60, 350829), (68, 309555), (85, 247644), (90, 233886), (102, 206370), (108, 194905), (135, 155924), (153, 137580), (170, 123822), (180, 116943), (204, 103185), (255, 82548), (270, 77962), (306, 68790), (340, 61911), (459, 45860), (510, 41274), (540, 38981), (612, 34395), (765, 27516), (918, 22930), (1020, 20637), (1530, 13758), (1836, 11465), (2293, 9180), (2295, 9172), (3060, 6879), (4586, 4590)]