21882825

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1943

約数の個数: 48

約数和(自身を含む): 42586560

約数和(自身を除く): 20703735

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 1907, 2295, 3825, 5721, 9535, 11475, 17163, 28605, 32419, 47675, 51489, 85815, 97257, 143025, 162095, 257445, 291771, 429075, 486285, 810475, 875313, 1287225, 1458855, 2431425, 4376565, 7294275, 21882825]

約数ペア:

[(1, 21882825), (3, 7294275), (5, 4376565), (9, 2431425), (15, 1458855), (17, 1287225), (25, 875313), (27, 810475), (45, 486285), (51, 429075), (75, 291771), (85, 257445), (135, 162095), (153, 143025), (225, 97257), (255, 85815), (425, 51489), (459, 47675), (675, 32419), (765, 28605), (1275, 17163), (1907, 11475), (2295, 9535), (3825, 5721)]