21138045374

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{7573}}^1$

素因数の和:7940

約数の個数: 32

約数和(自身を含む): 32660784576

約数和(自身を除く): 11522739202

約数列:

[1, 2, 61, 122, 137, 167, 274, 334, 7573, 8357, 10187, 15146, 16714, 20374, 22879, 45758, 461953, 923906, 1037501, 1264691, 1395619, 2075002, 2529382, 2791238, 63287561, 77146151, 126575122, 154292302, 173262667, 346525334, 10569022687, 21138045374]

約数ペア:

[(1, 21138045374), (2, 10569022687), (61, 346525334), (122, 173262667), (137, 154292302), (167, 126575122), (274, 77146151), (334, 63287561), (7573, 2791238), (8357, 2529382), (10187, 2075002), (15146, 1395619), (16714, 1264691), (20374, 1037501), (22879, 923906), (45758, 461953)]