21588372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 59337824

約数和(自身を除く): 37749452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 283, 326, 468, 489, 566, 652, 849, 978, 1132, 1467, 1698, 1956, 2119, 2547, 2934, 3396, 3679, 4238, 5094, 5868, 6357, 7358, 8476, 10188, 11037, 12714, 14716, 19071, 22074, 25428, 33111, 38142, 44148, 46129, 66222, 76284, 92258, 132444, 138387, 184516, 276774, 415161, 553548, 599677, 830322, 1199354, 1660644, 1799031, 2398708, 3598062, 5397093, 7196124, 10794186, 21588372]

約数ペア:

[(1, 21588372), (2, 10794186), (3, 7196124), (4, 5397093), (6, 3598062), (9, 2398708), (12, 1799031), (13, 1660644), (18, 1199354), (26, 830322), (36, 599677), (39, 553548), (52, 415161), (78, 276774), (117, 184516), (156, 138387), (163, 132444), (234, 92258), (283, 76284), (326, 66222), (468, 46129), (489, 44148), (566, 38142), (652, 33111), (849, 25428), (978, 22074), (1132, 19071), (1467, 14716), (1698, 12714), (1956, 11037), (2119, 10188), (2547, 8476), (2934, 7358), (3396, 6357), (3679, 5868), (4238, 5094)]