21943311

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 12893169

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1439, 4317, 5083, 15249, 18707, 24463, 33097, 56121, 73389, 99291, 318019, 430261, 562649, 954057, 1290783, 1687947, 7314437, 21943311]

約数ペア:

[(1, 21943311), (3, 7314437), (13, 1687947), (17, 1290783), (23, 954057), (39, 562649), (51, 430261), (69, 318019), (221, 99291), (299, 73389), (391, 56121), (663, 33097), (897, 24463), (1173, 18707), (1439, 15249), (4317, 5083)]