21959640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20333}}^1$

素因数の和:20353

約数の個数: 64

約数和(自身を含む): 73202400

約数和(自身を除く): 51242760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20333, 40666, 60999, 81332, 101665, 121998, 162664, 182997, 203330, 243996, 304995, 365994, 406660, 487992, 548991, 609990, 731988, 813320, 914985, 1097982, 1219980, 1463976, 1829970, 2195964, 2439960, 2744955, 3659940, 4391928, 5489910, 7319880, 10979820, 21959640]

約数ペア:

[(1, 21959640), (2, 10979820), (3, 7319880), (4, 5489910), (5, 4391928), (6, 3659940), (8, 2744955), (9, 2439960), (10, 2195964), (12, 1829970), (15, 1463976), (18, 1219980), (20, 1097982), (24, 914985), (27, 813320), (30, 731988), (36, 609990), (40, 548991), (45, 487992), (54, 406660), (60, 365994), (72, 304995), (90, 243996), (108, 203330), (120, 182997), (135, 162664), (180, 121998), (216, 101665), (270, 81332), (360, 60999), (540, 40666), (1080, 20333)]