21000468741112

素因数分解:

$2^3\times 7^1\times {\mathrm{29137}}^1\times {\mathrm{12870521}}^1$

素因数の和:12899671

約数の個数: 32

約数和(自身を含む): 45002552404320

約数和(自身を除く): 24002083663208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 29137, 58274, 116548, 203959, 233096, 407918, 815836, 1631672, 12870521, 25741042, 51482084, 90093647, 102964168, 180187294, 360374588, 720749176, 375008370377, 750016740754, 1500033481508, 2625058592639, 3000066963016, 5250117185278, 10500234370556, 21000468741112]

約数ペア:

[(1, 21000468741112), (2, 10500234370556), (4, 5250117185278), (7, 3000066963016), (8, 2625058592639), (14, 1500033481508), (28, 750016740754), (56, 375008370377), (29137, 720749176), (58274, 360374588), (116548, 180187294), (203959, 102964168), (233096, 90093647), (407918, 51482084), (815836, 25741042), (1631672, 12870521)]