21573678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 51601536

約数和(自身を除く): 30027858

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 529, 966, 971, 1058, 1587, 1942, 2913, 3174, 3703, 5826, 6797, 7406, 11109, 13594, 20391, 22218, 22333, 40782, 44666, 66999, 133998, 156331, 312662, 468993, 513659, 937986, 1027318, 1540977, 3081954, 3595613, 7191226, 10786839, 21573678]

約数ペア:

[(1, 21573678), (2, 10786839), (3, 7191226), (6, 3595613), (7, 3081954), (14, 1540977), (21, 1027318), (23, 937986), (42, 513659), (46, 468993), (69, 312662), (138, 156331), (161, 133998), (322, 66999), (483, 44666), (529, 40782), (966, 22333), (971, 22218), (1058, 20391), (1587, 13594), (1942, 11109), (2913, 7406), (3174, 6797), (3703, 5826)]