21171330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3511}}^1$

素因数の和:3591

約数の個数: 48

約数和(自身を含む): 55882944

約数和(自身を除く): 34711614

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3511, 6030, 7022, 10533, 17555, 21066, 31599, 35110, 52665, 63198, 105330, 157995, 235237, 315990, 470474, 705711, 1176185, 1411422, 2117133, 2352370, 3528555, 4234266, 7057110, 10585665, 21171330]

約数ペア:

[(1, 21171330), (2, 10585665), (3, 7057110), (5, 4234266), (6, 3528555), (9, 2352370), (10, 2117133), (15, 1411422), (18, 1176185), (30, 705711), (45, 470474), (67, 315990), (90, 235237), (134, 157995), (201, 105330), (335, 63198), (402, 52665), (603, 35110), (670, 31599), (1005, 21066), (1206, 17555), (2010, 10533), (3015, 7022), (3511, 6030)]