21051291226

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{513371}}^1$

素因数の和:513510

約数の個数: 32

約数和(自身を含む): 37702039680

約数和(自身を除く): 16650748454

約数列:

[1, 2, 7, 14, 29, 58, 101, 202, 203, 406, 707, 1414, 2929, 5858, 20503, 41006, 513371, 1026742, 3593597, 7187194, 14887759, 29775518, 51850471, 103700942, 104214313, 208428626, 362953297, 725906594, 1503663659, 3007327318, 10525645613, 21051291226]

約数ペア:

[(1, 21051291226), (2, 10525645613), (7, 3007327318), (14, 1503663659), (29, 725906594), (58, 362953297), (101, 208428626), (202, 104214313), (203, 103700942), (406, 51850471), (707, 29775518), (1414, 14887759), (2929, 7187194), (5858, 3593597), (20503, 1026742), (41006, 513371)]