21759960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 65772000

約数和(自身を除く): 44012040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1217, 1490, 1788, 2235, 2434, 2980, 3576, 3651, 4470, 4868, 5960, 6085, 7302, 8940, 9736, 12170, 14604, 17880, 18255, 24340, 29208, 36510, 48680, 73020, 146040, 181333, 362666, 543999, 725332, 906665, 1087998, 1450664, 1813330, 2175996, 2719995, 3626660, 4351992, 5439990, 7253320, 10879980, 21759960]

約数ペア:

[(1, 21759960), (2, 10879980), (3, 7253320), (4, 5439990), (5, 4351992), (6, 3626660), (8, 2719995), (10, 2175996), (12, 1813330), (15, 1450664), (20, 1087998), (24, 906665), (30, 725332), (40, 543999), (60, 362666), (120, 181333), (149, 146040), (298, 73020), (447, 48680), (596, 36510), (745, 29208), (894, 24340), (1192, 18255), (1217, 17880), (1490, 14604), (1788, 12170), (2235, 9736), (2434, 8940), (2980, 7302), (3576, 6085), (3651, 5960), (4470, 4868)]