21095528

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20376472

約数列:

[1, 2, 4, 8, 29, 58, 79, 116, 158, 232, 316, 632, 1151, 2291, 2302, 4582, 4604, 9164, 9208, 18328, 33379, 66758, 90929, 133516, 181858, 267032, 363716, 727432, 2636941, 5273882, 10547764, 21095528]

約数ペア:

[(1, 21095528), (2, 10547764), (4, 5273882), (8, 2636941), (29, 727432), (58, 363716), (79, 267032), (116, 181858), (158, 133516), (232, 90929), (316, 66758), (632, 33379), (1151, 18328), (2291, 9208), (2302, 9164), (4582, 4604)]