21092848

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 40

約数和(自身を含む): 47711232

約数和(自身を除く): 26618384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 4007, 5264, 8014, 16028, 28049, 32056, 56098, 64112, 112196, 188329, 224392, 376658, 448784, 753316, 1318303, 1506632, 2636606, 3013264, 5273212, 10546424, 21092848]

約数ペア:

[(1, 21092848), (2, 10546424), (4, 5273212), (7, 3013264), (8, 2636606), (14, 1506632), (16, 1318303), (28, 753316), (47, 448784), (56, 376658), (94, 224392), (112, 188329), (188, 112196), (329, 64112), (376, 56098), (658, 32056), (752, 28049), (1316, 16028), (2632, 8014), (4007, 5264)]