21832525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 11165363

約数列:

[1, 5, 11, 13, 25, 31, 55, 65, 143, 155, 197, 275, 325, 341, 403, 715, 775, 985, 1705, 2015, 2167, 2561, 3575, 4433, 4925, 6107, 8525, 10075, 10835, 12805, 22165, 28171, 30535, 54175, 64025, 67177, 79391, 110825, 140855, 152675, 335885, 396955, 704275, 873301, 1679425, 1984775, 4366505, 21832525]

約数ペア:

[(1, 21832525), (5, 4366505), (11, 1984775), (13, 1679425), (25, 873301), (31, 704275), (55, 396955), (65, 335885), (143, 152675), (155, 140855), (197, 110825), (275, 79391), (325, 67177), (341, 64025), (403, 54175), (715, 30535), (775, 28171), (985, 22165), (1705, 12805), (2015, 10835), (2167, 10075), (2561, 8525), (3575, 6107), (4433, 4925)]