21578336930

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1289}}^1\times {\mathrm{4093}}^1$

素因数の和:5798

約数の個数: 32

約数和(自身を含む): 38975698800

約数和(自身を除く): 17397361870

約数列:

[1, 2, 5, 10, 409, 818, 1289, 2045, 2578, 4090, 4093, 6445, 8186, 12890, 20465, 40930, 527201, 1054402, 1674037, 2636005, 3348074, 5272010, 5275877, 8370185, 10551754, 16740370, 26379385, 52758770, 2157833693, 4315667386, 10789168465, 21578336930]

約数ペア:

[(1, 21578336930), (2, 10789168465), (5, 4315667386), (10, 2157833693), (409, 52758770), (818, 26379385), (1289, 16740370), (2045, 10551754), (2578, 8370185), (4090, 5275877), (4093, 5272010), (6445, 3348074), (8186, 2636005), (12890, 1674037), (20465, 1054402), (40930, 527201)]