21098104

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 41120640

約数和(自身を除く): 20022536

約数列:

[1, 2, 4, 8, 31, 62, 124, 241, 248, 353, 482, 706, 964, 1412, 1928, 2824, 7471, 10943, 14942, 21886, 29884, 43772, 59768, 85073, 87544, 170146, 340292, 680584, 2637263, 5274526, 10549052, 21098104]

約数ペア:

[(1, 21098104), (2, 10549052), (4, 5274526), (8, 2637263), (31, 680584), (62, 340292), (124, 170146), (241, 87544), (248, 85073), (353, 59768), (482, 43772), (706, 29884), (964, 21886), (1412, 14942), (1928, 10943), (2824, 7471)]