21672360

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6689}}^1$

素因数の和:6712

約数の個数: 80

約数和(自身を含む): 72854100

約数和(自身を除く): 51181740

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, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6689, 13378, 20067, 26756, 33445, 40134, 53512, 60201, 66890, 80268, 100335, 120402, 133780, 160536, 180603, 200670, 240804, 267560, 301005, 361206, 401340, 481608, 541809, 602010, 722412, 802680, 903015, 1083618, 1204020, 1444824, 1806030, 2167236, 2408040, 2709045, 3612060, 4334472, 5418090, 7224120, 10836180, 21672360]

約数ペア:

[(1, 21672360), (2, 10836180), (3, 7224120), (4, 5418090), (5, 4334472), (6, 3612060), (8, 2709045), (9, 2408040), (10, 2167236), (12, 1806030), (15, 1444824), (18, 1204020), (20, 1083618), (24, 903015), (27, 802680), (30, 722412), (36, 602010), (40, 541809), (45, 481608), (54, 401340), (60, 361206), (72, 301005), (81, 267560), (90, 240804), (108, 200670), (120, 180603), (135, 160536), (162, 133780), (180, 120402), (216, 100335), (270, 80268), (324, 66890), (360, 60201), (405, 53512), (540, 40134), (648, 33445), (810, 26756), (1080, 20067), (1620, 13378), (3240, 6689)]