21000948963

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5212447}}^1$

素因数の和:5212546

約数の個数: 16

約数和(自身を含む): 30023700480

約数和(自身を除く): 9022751517

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5212447, 15637341, 88611599, 265834797, 411783313, 1235349939, 7000316321, 21000948963]

約数ペア:

[(1, 21000948963), (3, 7000316321), (17, 1235349939), (51, 411783313), (79, 265834797), (237, 88611599), (1343, 15637341), (4029, 5212447)]