21837634

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 41856696

約数和(自身を除く): 20019062

約数列:

[1, 2, 7, 13, 14, 26, 49, 61, 91, 98, 122, 182, 281, 427, 562, 637, 793, 854, 1274, 1586, 1967, 2989, 3653, 3934, 5551, 5978, 7306, 11102, 13769, 17141, 25571, 27538, 34282, 38857, 51142, 77714, 119987, 178997, 222833, 239974, 357994, 445666, 839909, 1559831, 1679818, 3119662, 10918817, 21837634]

約数ペア:

[(1, 21837634), (2, 10918817), (7, 3119662), (13, 1679818), (14, 1559831), (26, 839909), (49, 445666), (61, 357994), (91, 239974), (98, 222833), (122, 178997), (182, 119987), (281, 77714), (427, 51142), (562, 38857), (637, 34282), (793, 27538), (854, 25571), (1274, 17141), (1586, 13769), (1967, 11102), (2989, 7306), (3653, 5978), (3934, 5551)]