21246989402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{78893}}^1$

素因数の和:79090

約数の個数: 24

約数和(自身を含む): 34129071036

約数和(自身を除く): 12882081634

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 7921, 15842, 78893, 134657, 157786, 269314, 1341181, 2682362, 7021477, 14042954, 119365109, 238730218, 624911453, 1249822906, 10623494701, 21246989402]

約数ペア:

[(1, 21246989402), (2, 10623494701), (17, 1249822906), (34, 624911453), (89, 238730218), (178, 119365109), (1513, 14042954), (3026, 7021477), (7921, 2682362), (15842, 1341181), (78893, 269314), (134657, 157786)]