21942284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4637}}^1$

素因数の和:4674

約数の個数: 36

約数和(自身を含む): 47530224

約数和(自身を除く): 25587940

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4637, 4732, 9274, 18548, 32459, 60281, 64918, 120562, 129836, 241124, 421967, 783653, 843934, 1567306, 1687868, 3134612, 5485571, 10971142, 21942284]

約数ペア:

[(1, 21942284), (2, 10971142), (4, 5485571), (7, 3134612), (13, 1687868), (14, 1567306), (26, 843934), (28, 783653), (52, 421967), (91, 241124), (169, 129836), (182, 120562), (338, 64918), (364, 60281), (676, 32459), (1183, 18548), (2366, 9274), (4637, 4732)]