21393435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3041}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 39716352

約数和(自身を除く): 18322917

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 3041, 7035, 9123, 15205, 21287, 45615, 63861, 106435, 203747, 319305, 611241, 1018735, 1426229, 3056205, 4278687, 7131145, 21393435]

約数ペア:

[(1, 21393435), (3, 7131145), (5, 4278687), (7, 3056205), (15, 1426229), (21, 1018735), (35, 611241), (67, 319305), (105, 203747), (201, 106435), (335, 63861), (469, 45615), (1005, 21287), (1407, 15205), (2345, 9123), (3041, 7035)]