21052174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73609}}^1$

素因数の和:73635

約数の個数: 16

約数和(自身を含む): 37099440

約数和(自身を除く): 16047266

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73609, 147218, 809699, 956917, 1619398, 1913834, 10526087, 21052174]

約数ペア:

[(1, 21052174), (2, 10526087), (11, 1913834), (13, 1619398), (22, 956917), (26, 809699), (143, 147218), (286, 73609)]