21989014784

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7808599}}^1$

素因数の和:7808626

約数の個数: 36

約数和(自身を含む): 47882335200

約数和(自身を除く): 25893320416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7808599, 15617198, 31234396, 62468792, 85894589, 124937584, 171789178, 249875168, 343578356, 499750336, 687156712, 999500672, 1374313424, 1999001344, 2748626848, 5497253696, 10994507392, 21989014784]

約数ペア:

[(1, 21989014784), (2, 10994507392), (4, 5497253696), (8, 2748626848), (11, 1999001344), (16, 1374313424), (22, 999500672), (32, 687156712), (44, 499750336), (64, 343578356), (88, 249875168), (128, 171789178), (176, 124937584), (256, 85894589), (352, 62468792), (704, 31234396), (1408, 15617198), (2816, 7808599)]