21397118

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1753}}^1$

素因数の和:2131

約数の個数: 16

約数和(自身を含む): 34097760

約数和(自身を除く): 12700642

約数列:

[1, 2, 17, 34, 359, 718, 1753, 3506, 6103, 12206, 29801, 59602, 629327, 1258654, 10698559, 21397118]

約数ペア:

[(1, 21397118), (2, 10698559), (17, 1258654), (34, 629327), (359, 59602), (718, 29801), (1753, 12206), (3506, 6103)]