21473648

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10091}}^1$

素因数の和:10125

約数の個数: 40

約数和(自身を含む): 50056320

約数和(自身を除く): 28582672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10091, 20182, 40364, 70637, 80728, 141274, 161456, 191729, 282548, 383458, 565096, 766916, 1130192, 1342103, 1533832, 2684206, 3067664, 5368412, 10736824, 21473648]

約数ペア:

[(1, 21473648), (2, 10736824), (4, 5368412), (7, 3067664), (8, 2684206), (14, 1533832), (16, 1342103), (19, 1130192), (28, 766916), (38, 565096), (56, 383458), (76, 282548), (112, 191729), (133, 161456), (152, 141274), (266, 80728), (304, 70637), (532, 40364), (1064, 20182), (2128, 10091)]