21143122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 22402478

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 59, 77, 91, 118, 143, 154, 179, 182, 286, 358, 413, 649, 767, 826, 1001, 1253, 1298, 1534, 1969, 2002, 2327, 2506, 3938, 4543, 4654, 5369, 8437, 9086, 10561, 10738, 13783, 16289, 16874, 21122, 25597, 27566, 32578, 51194, 59059, 73927, 116171, 118118, 137293, 147854, 179179, 232342, 274586, 358358, 813197, 961051, 1510223, 1626394, 1922102, 3020446, 10571561, 21143122]

約数ペア:

[(1, 21143122), (2, 10571561), (7, 3020446), (11, 1922102), (13, 1626394), (14, 1510223), (22, 961051), (26, 813197), (59, 358358), (77, 274586), (91, 232342), (118, 179179), (143, 147854), (154, 137293), (179, 118118), (182, 116171), (286, 73927), (358, 59059), (413, 51194), (649, 32578), (767, 27566), (826, 25597), (1001, 21122), (1253, 16874), (1298, 16289), (1534, 13783), (1969, 10738), (2002, 10561), (2327, 9086), (2506, 8437), (3938, 5369), (4543, 4654)]