21000455448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125002711}}^1$

素因数の和:125002727

約数の個数: 32

約数和(自身を含む): 60001301760

約数和(自身を除く): 39000846312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125002711, 250005422, 375008133, 500010844, 750016266, 875018977, 1000021688, 1500032532, 1750037954, 2625056931, 3000065064, 3500075908, 5250113862, 7000151816, 10500227724, 21000455448]

約数ペア:

[(1, 21000455448), (2, 10500227724), (3, 7000151816), (4, 5250113862), (6, 3500075908), (7, 3000065064), (8, 2625056931), (12, 1750037954), (14, 1500032532), (21, 1000021688), (24, 875018977), (28, 750016266), (42, 500010844), (56, 375008133), (84, 250005422), (168, 125002711)]