21715634

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 35354880

約数和(自身を除く): 13639246

約数列:

[1, 2, 23, 46, 61, 71, 109, 122, 142, 218, 1403, 1633, 2507, 2806, 3266, 4331, 5014, 6649, 7739, 8662, 13298, 15478, 99613, 152927, 177997, 199226, 305854, 355994, 472079, 944158, 10857817, 21715634]

約数ペア:

[(1, 21715634), (2, 10857817), (23, 944158), (46, 472079), (61, 355994), (71, 305854), (109, 199226), (122, 177997), (142, 152927), (218, 99613), (1403, 15478), (1633, 13298), (2507, 8662), (2806, 7739), (3266, 6649), (4331, 5014)]