21059730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77999}}^1$

素因数の和:78015

約数の個数: 32

約数和(自身を含む): 56160000

約数和(自身を除く): 35100270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77999, 155998, 233997, 389995, 467994, 701991, 779990, 1169985, 1403982, 2105973, 2339970, 3509955, 4211946, 7019910, 10529865, 21059730]

約数ペア:

[(1, 21059730), (2, 10529865), (3, 7019910), (5, 4211946), (6, 3509955), (9, 2339970), (10, 2105973), (15, 1403982), (18, 1169985), (27, 779990), (30, 701991), (45, 467994), (54, 389995), (90, 233997), (135, 155998), (270, 77999)]