21077640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58549}}^1$

素因数の和:58566

約数の個数: 48

約数和(自身を含む): 68503500

約数和(自身を除く): 47425860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58549, 117098, 175647, 234196, 292745, 351294, 468392, 526941, 585490, 702588, 878235, 1053882, 1170980, 1405176, 1756470, 2107764, 2341960, 2634705, 3512940, 4215528, 5269410, 7025880, 10538820, 21077640]

約数ペア:

[(1, 21077640), (2, 10538820), (3, 7025880), (4, 5269410), (5, 4215528), (6, 3512940), (8, 2634705), (9, 2341960), (10, 2107764), (12, 1756470), (15, 1405176), (18, 1170980), (20, 1053882), (24, 878235), (30, 702588), (36, 585490), (40, 526941), (45, 468392), (60, 351294), (72, 292745), (90, 234196), (120, 175647), (180, 117098), (360, 58549)]