21469924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40357}}^1$

素因数の和:40387

約数の個数: 24

約数和(自身を含む): 45200960

約数和(自身を除く): 23731036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40357, 80714, 161428, 282499, 564998, 766783, 1129996, 1533566, 3067132, 5367481, 10734962, 21469924]

約数ペア:

[(1, 21469924), (2, 10734962), (4, 5367481), (7, 3067132), (14, 1533566), (19, 1129996), (28, 766783), (38, 564998), (76, 282499), (133, 161428), (266, 80714), (532, 40357)]