21543676

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 25953284

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 113, 154, 226, 308, 452, 619, 791, 1238, 1243, 1582, 2476, 2486, 3164, 4333, 4972, 6809, 8666, 8701, 13618, 17332, 17402, 27236, 34804, 47663, 69947, 95326, 139894, 190652, 279788, 489629, 769417, 979258, 1538834, 1958516, 3077668, 5385919, 10771838, 21543676]

約数ペア:

[(1, 21543676), (2, 10771838), (4, 5385919), (7, 3077668), (11, 1958516), (14, 1538834), (22, 979258), (28, 769417), (44, 489629), (77, 279788), (113, 190652), (154, 139894), (226, 95326), (308, 69947), (452, 47663), (619, 34804), (791, 27236), (1238, 17402), (1243, 17332), (1582, 13618), (2476, 8701), (2486, 8666), (3164, 6809), (4333, 4972)]