21059460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 96

約数和(自身を含む): 66729600

約数和(自身を除く): 45670140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 90, 108, 118, 135, 177, 180, 236, 270, 295, 354, 531, 540, 590, 661, 708, 885, 1062, 1180, 1322, 1593, 1770, 1983, 2124, 2644, 2655, 3186, 3305, 3540, 3966, 5310, 5949, 6372, 6610, 7932, 7965, 9915, 10620, 11898, 13220, 15930, 17847, 19830, 23796, 29745, 31860, 35694, 38999, 39660, 59490, 71388, 77998, 89235, 116997, 118980, 155996, 178470, 194995, 233994, 350991, 356940, 389990, 467988, 584985, 701982, 779980, 1052973, 1169970, 1403964, 1754955, 2105946, 2339940, 3509910, 4211892, 5264865, 7019820, 10529730, 21059460]

約数ペア:

[(1, 21059460), (2, 10529730), (3, 7019820), (4, 5264865), (5, 4211892), (6, 3509910), (9, 2339940), (10, 2105946), (12, 1754955), (15, 1403964), (18, 1169970), (20, 1052973), (27, 779980), (30, 701982), (36, 584985), (45, 467988), (54, 389990), (59, 356940), (60, 350991), (90, 233994), (108, 194995), (118, 178470), (135, 155996), (177, 118980), (180, 116997), (236, 89235), (270, 77998), (295, 71388), (354, 59490), (531, 39660), (540, 38999), (590, 35694), (661, 31860), (708, 29745), (885, 23796), (1062, 19830), (1180, 17847), (1322, 15930), (1593, 13220), (1770, 11898), (1983, 10620), (2124, 9915), (2644, 7965), (2655, 7932), (3186, 6610), (3305, 6372), (3540, 5949), (3966, 5310)]