21700072

素因数分解:

$2^3\times {\mathrm{1637}}^1\times {\mathrm{1657}}^1$

素因数の和:3300

約数の個数: 16

約数和(自身を含む): 40737060

約数和(自身を除く): 19036988

約数列:

[1, 2, 4, 8, 1637, 1657, 3274, 3314, 6548, 6628, 13096, 13256, 2712509, 5425018, 10850036, 21700072]

約数ペア:

[(1, 21700072), (2, 10850036), (4, 5425018), (8, 2712509), (1637, 13256), (1657, 13096), (3274, 6628), (3314, 6548)]