21921000955

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1303}}^1\times {\mathrm{2099}}^1$

素因数の和:3643

約数の個数: 32

約数和(自身を含む): 30231936000

約数和(自身を除く): 8310935045

約数列:

[1, 5, 7, 35, 229, 1145, 1303, 1603, 2099, 6515, 8015, 9121, 10495, 14693, 45605, 73465, 298387, 480671, 1491935, 2088709, 2403355, 2734997, 3364697, 10443545, 13674985, 16823485, 19144979, 95724895, 626314313, 3131571565, 4384200191, 21921000955]

約数ペア:

[(1, 21921000955), (5, 4384200191), (7, 3131571565), (35, 626314313), (229, 95724895), (1145, 19144979), (1303, 16823485), (1603, 13674985), (2099, 10443545), (6515, 3364697), (8015, 2734997), (9121, 2403355), (10495, 2088709), (14693, 1491935), (45605, 480671), (73465, 298387)]