21331080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19751}}^1$

素因数の和:19771

約数の個数: 64

約数和(自身を含む): 71107200

約数和(自身を除く): 49776120

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, 19751, 39502, 59253, 79004, 98755, 118506, 158008, 177759, 197510, 237012, 296265, 355518, 395020, 474024, 533277, 592530, 711036, 790040, 888795, 1066554, 1185060, 1422072, 1777590, 2133108, 2370120, 2666385, 3555180, 4266216, 5332770, 7110360, 10665540, 21331080]

約数ペア:

[(1, 21331080), (2, 10665540), (3, 7110360), (4, 5332770), (5, 4266216), (6, 3555180), (8, 2666385), (9, 2370120), (10, 2133108), (12, 1777590), (15, 1422072), (18, 1185060), (20, 1066554), (24, 888795), (27, 790040), (30, 711036), (36, 592530), (40, 533277), (45, 474024), (54, 395020), (60, 355518), (72, 296265), (90, 237012), (108, 197510), (120, 177759), (135, 158008), (180, 118506), (216, 98755), (270, 79004), (360, 59253), (540, 39502), (1080, 19751)]