21573972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28537}}^1$

素因数の和:28557

約数の個数: 48

約数和(自身を含む): 63925120

約数和(自身を除く): 42351148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28537, 57074, 85611, 114148, 171222, 199759, 256833, 342444, 399518, 513666, 599277, 770499, 799036, 1027332, 1198554, 1540998, 1797831, 2397108, 3081996, 3595662, 5393493, 7191324, 10786986, 21573972]

約数ペア:

[(1, 21573972), (2, 10786986), (3, 7191324), (4, 5393493), (6, 3595662), (7, 3081996), (9, 2397108), (12, 1797831), (14, 1540998), (18, 1198554), (21, 1027332), (27, 799036), (28, 770499), (36, 599277), (42, 513666), (54, 399518), (63, 342444), (84, 256833), (108, 199759), (126, 171222), (189, 114148), (252, 85611), (378, 57074), (756, 28537)]