21671340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1439}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 39292500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1439, 1506, 2510, 2878, 3012, 3765, 4317, 5020, 5756, 7195, 7530, 8634, 14390, 15060, 17268, 21585, 28780, 43170, 86340, 361189, 722378, 1083567, 1444756, 1805945, 2167134, 3611890, 4334268, 5417835, 7223780, 10835670, 21671340]

約数ペア:

[(1, 21671340), (2, 10835670), (3, 7223780), (4, 5417835), (5, 4334268), (6, 3611890), (10, 2167134), (12, 1805945), (15, 1444756), (20, 1083567), (30, 722378), (60, 361189), (251, 86340), (502, 43170), (753, 28780), (1004, 21585), (1255, 17268), (1439, 15060), (1506, 14390), (2510, 8634), (2878, 7530), (3012, 7195), (3765, 5756), (4317, 5020)]