21000984046

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3541}}^1\times {\mathrm{7993}}^1$

素因数の和:11596

約数の個数: 32

約数和(自身を含む): 36695913408

約数和(自身を除く): 15694929362

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 3541, 7082, 7993, 15986, 24787, 49574, 55951, 111902, 187673, 375346, 423629, 847258, 1313711, 2627422, 2965403, 5930806, 28303213, 56606426, 198122491, 396244982, 1500070289, 3000140578, 10500492023, 21000984046]

約数ペア:

[(1, 21000984046), (2, 10500492023), (7, 3000140578), (14, 1500070289), (53, 396244982), (106, 198122491), (371, 56606426), (742, 28303213), (3541, 5930806), (7082, 2965403), (7993, 2627422), (15986, 1313711), (24787, 847258), (49574, 423629), (55951, 375346), (111902, 187673)]