21839580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17333}}^1$

素因数の和:17355

約数の個数: 72

約数和(自身を含む): 75714912

約数和(自身を除く): 53875332

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17333, 34666, 51999, 69332, 86665, 103998, 121331, 155997, 173330, 207996, 242662, 259995, 311994, 346660, 363993, 485324, 519990, 606655, 623988, 727986, 779985, 1039980, 1091979, 1213310, 1455972, 1559970, 1819965, 2183958, 2426620, 3119940, 3639930, 4367916, 5459895, 7279860, 10919790, 21839580]

約数ペア:

[(1, 21839580), (2, 10919790), (3, 7279860), (4, 5459895), (5, 4367916), (6, 3639930), (7, 3119940), (9, 2426620), (10, 2183958), (12, 1819965), (14, 1559970), (15, 1455972), (18, 1213310), (20, 1091979), (21, 1039980), (28, 779985), (30, 727986), (35, 623988), (36, 606655), (42, 519990), (45, 485324), (60, 363993), (63, 346660), (70, 311994), (84, 259995), (90, 242662), (105, 207996), (126, 173330), (140, 155997), (180, 121331), (210, 103998), (252, 86665), (315, 69332), (420, 51999), (630, 34666), (1260, 17333)]