21357579552004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281020783579}}^1$

素因数の和:281020783602

約数の個数: 12

約数和(自身を含む): 39342909701200

約数和(自身を除く): 17985330149196

約数列:

[1, 2, 4, 19, 38, 76, 281020783579, 562041567158, 1124083134316, 5339394888001, 10678789776002, 21357579552004]

約数ペア:

[(1, 21357579552004), (2, 10678789776002), (4, 5339394888001), (19, 1124083134316), (38, 562041567158), (76, 281020783579)]