21389310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10333}}^1$

素因数の和:10369

約数の個数: 48

約数和(自身を含む): 58035744

約数和(自身を除く): 36646434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10333, 20666, 30999, 51665, 61998, 92997, 103330, 154995, 185994, 237659, 309990, 464985, 475318, 712977, 929970, 1188295, 1425954, 2138931, 2376590, 3564885, 4277862, 7129770, 10694655, 21389310]

約数ペア:

[(1, 21389310), (2, 10694655), (3, 7129770), (5, 4277862), (6, 3564885), (9, 2376590), (10, 2138931), (15, 1425954), (18, 1188295), (23, 929970), (30, 712977), (45, 475318), (46, 464985), (69, 309990), (90, 237659), (115, 185994), (138, 154995), (207, 103330), (230, 92997), (345, 61998), (414, 51665), (690, 30999), (1035, 20666), (2070, 10333)]