2021263380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{303493}}^1$

素因数の和:303545

約数の個数: 72

約数和(自身を含む): 6296893512

約数和(自身を除く): 4275630132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 303493, 606986, 910479, 1213972, 1517465, 1820958, 2731437, 3034930, 3641916, 4552395, 5462874, 6069860, 9104790, 10925748, 11229241, 13657185, 18209580, 22458482, 27314370, 33687723, 44916964, 54628740, 56146205, 67375446, 101063169, 112292410, 134750892, 168438615, 202126338, 224584820, 336877230, 404252676, 505315845, 673754460, 1010631690, 2021263380]

約数ペア:

[(1, 2021263380), (2, 1010631690), (3, 673754460), (4, 505315845), (5, 404252676), (6, 336877230), (9, 224584820), (10, 202126338), (12, 168438615), (15, 134750892), (18, 112292410), (20, 101063169), (30, 67375446), (36, 56146205), (37, 54628740), (45, 44916964), (60, 33687723), (74, 27314370), (90, 22458482), (111, 18209580), (148, 13657185), (180, 11229241), (185, 10925748), (222, 9104790), (333, 6069860), (370, 5462874), (444, 4552395), (555, 3641916), (666, 3034930), (740, 2731437), (1110, 1820958), (1332, 1517465), (1665, 1213972), (2220, 910479), (3330, 606986), (6660, 303493)]