21772024

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 21456776

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 631, 908, 1262, 1816, 2524, 4313, 5048, 8626, 11989, 17252, 23978, 34504, 47956, 95912, 143237, 286474, 572948, 1145896, 2721503, 5443006, 10886012, 21772024]

約数ペア:

[(1, 21772024), (2, 10886012), (4, 5443006), (8, 2721503), (19, 1145896), (38, 572948), (76, 286474), (152, 143237), (227, 95912), (454, 47956), (631, 34504), (908, 23978), (1262, 17252), (1816, 11989), (2524, 8626), (4313, 5048)]