21022440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 63417600

約数和(自身を除く): 42395160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 733, 956, 1195, 1434, 1466, 1912, 2199, 2390, 2868, 2932, 3585, 3665, 4398, 4780, 5736, 5864, 7170, 7330, 8796, 9560, 10995, 14340, 14660, 17592, 21990, 28680, 29320, 43980, 87960, 175187, 350374, 525561, 700748, 875935, 1051122, 1401496, 1751870, 2102244, 2627805, 3503740, 4204488, 5255610, 7007480, 10511220, 21022440]

約数ペア:

[(1, 21022440), (2, 10511220), (3, 7007480), (4, 5255610), (5, 4204488), (6, 3503740), (8, 2627805), (10, 2102244), (12, 1751870), (15, 1401496), (20, 1051122), (24, 875935), (30, 700748), (40, 525561), (60, 350374), (120, 175187), (239, 87960), (478, 43980), (717, 29320), (733, 28680), (956, 21990), (1195, 17592), (1434, 14660), (1466, 14340), (1912, 10995), (2199, 9560), (2390, 8796), (2868, 7330), (2932, 7170), (3585, 5864), (3665, 5736), (4398, 4780)]