21556440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59879}}^1$

素因数の和:59896

約数の個数: 48

約数和(自身を含む): 70059600

約数和(自身を除く): 48503160

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, 59879, 119758, 179637, 239516, 299395, 359274, 479032, 538911, 598790, 718548, 898185, 1077822, 1197580, 1437096, 1796370, 2155644, 2395160, 2694555, 3592740, 4311288, 5389110, 7185480, 10778220, 21556440]

約数ペア:

[(1, 21556440), (2, 10778220), (3, 7185480), (4, 5389110), (5, 4311288), (6, 3592740), (8, 2694555), (9, 2395160), (10, 2155644), (12, 1796370), (15, 1437096), (18, 1197580), (20, 1077822), (24, 898185), (30, 718548), (36, 598790), (40, 538911), (45, 479032), (60, 359274), (72, 299395), (90, 239516), (120, 179637), (180, 119758), (360, 59879)]