21167019921

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{5039}}^1\times {\mathrm{19181}}^1$

素因数の和:24296

約数の個数: 16

約数和(自身を含む): 28616474880

約数和(自身を除く): 7449454959

約数列:

[1, 3, 73, 219, 5039, 15117, 19181, 57543, 367847, 1103541, 1400213, 4200639, 96653059, 289959177, 7055673307, 21167019921]

約数ペア:

[(1, 21167019921), (3, 7055673307), (73, 289959177), (219, 96653059), (5039, 4200639), (15117, 1400213), (19181, 1103541), (57543, 367847)]