21199054

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 13326386

約数列:

[1, 2, 23, 46, 59, 73, 107, 118, 146, 214, 1357, 1679, 2461, 2714, 3358, 4307, 4922, 6313, 7811, 8614, 12626, 15622, 99061, 145199, 179653, 198122, 290398, 359306, 460849, 921698, 10599527, 21199054]

約数ペア:

[(1, 21199054), (2, 10599527), (23, 921698), (46, 460849), (59, 359306), (73, 290398), (107, 198122), (118, 179653), (146, 145199), (214, 99061), (1357, 15622), (1679, 12626), (2461, 8614), (2714, 7811), (3358, 6313), (4307, 4922)]