21341010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 54058752

約数和(自身を除く): 32717742

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 157, 197, 230, 314, 345, 394, 471, 591, 690, 785, 942, 985, 1182, 1570, 1970, 2355, 2955, 3611, 4531, 4710, 5910, 7222, 9062, 10833, 13593, 18055, 21666, 22655, 27186, 30929, 36110, 45310, 54165, 61858, 67965, 92787, 108330, 135930, 154645, 185574, 309290, 463935, 711367, 927870, 1422734, 2134101, 3556835, 4268202, 7113670, 10670505, 21341010]

約数ペア:

[(1, 21341010), (2, 10670505), (3, 7113670), (5, 4268202), (6, 3556835), (10, 2134101), (15, 1422734), (23, 927870), (30, 711367), (46, 463935), (69, 309290), (115, 185574), (138, 154645), (157, 135930), (197, 108330), (230, 92787), (314, 67965), (345, 61858), (394, 54165), (471, 45310), (591, 36110), (690, 30929), (785, 27186), (942, 22655), (985, 21666), (1182, 18055), (1570, 13593), (1970, 10833), (2355, 9062), (2955, 7222), (3611, 5910), (4531, 4710)]