21930238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16389890

約数列:

[1, 2, 11, 17, 22, 34, 187, 191, 307, 374, 382, 614, 2101, 3247, 3377, 4202, 5219, 6494, 6754, 10438, 35717, 57409, 58637, 71434, 114818, 117274, 645007, 996829, 1290014, 1993658, 10965119, 21930238]

約数ペア:

[(1, 21930238), (2, 10965119), (11, 1993658), (17, 1290014), (22, 996829), (34, 645007), (187, 117274), (191, 114818), (307, 71434), (374, 58637), (382, 57409), (614, 35717), (2101, 10438), (3247, 6754), (3377, 6494), (4202, 5219)]