21214204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 41626872

約数和(自身を除く): 20412668

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 121, 212, 242, 484, 583, 827, 1166, 1654, 2332, 3308, 6413, 9097, 12826, 18194, 25652, 36388, 43831, 87662, 100067, 175324, 200134, 400268, 482141, 964282, 1928564, 5303551, 10607102, 21214204]

約数ペア:

[(1, 21214204), (2, 10607102), (4, 5303551), (11, 1928564), (22, 964282), (44, 482141), (53, 400268), (106, 200134), (121, 175324), (212, 100067), (242, 87662), (484, 43831), (583, 36388), (827, 25652), (1166, 18194), (1654, 12826), (2332, 9097), (3308, 6413)]