21835680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45491}}^1$

素因数の和:45509

約数の個数: 48

約数和(自身を含む): 68783904

約数和(自身を除く): 46948224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45491, 90982, 136473, 181964, 227455, 272946, 363928, 454910, 545892, 682365, 727856, 909820, 1091784, 1364730, 1455712, 1819640, 2183568, 2729460, 3639280, 4367136, 5458920, 7278560, 10917840, 21835680]

約数ペア:

[(1, 21835680), (2, 10917840), (3, 7278560), (4, 5458920), (5, 4367136), (6, 3639280), (8, 2729460), (10, 2183568), (12, 1819640), (15, 1455712), (16, 1364730), (20, 1091784), (24, 909820), (30, 727856), (32, 682365), (40, 545892), (48, 454910), (60, 363928), (80, 272946), (96, 227455), (120, 181964), (160, 136473), (240, 90982), (480, 45491)]