21176370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 57075840

約数和(自身を除く): 35899470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 733, 963, 1070, 1466, 1605, 1926, 2199, 2889, 3210, 3665, 4398, 4815, 5778, 6597, 7330, 9630, 10995, 13194, 14445, 19791, 21990, 28890, 32985, 39582, 65970, 78431, 98955, 156862, 197910, 235293, 392155, 470586, 705879, 784310, 1176465, 1411758, 2117637, 2352930, 3529395, 4235274, 7058790, 10588185, 21176370]

約数ペア:

[(1, 21176370), (2, 10588185), (3, 7058790), (5, 4235274), (6, 3529395), (9, 2352930), (10, 2117637), (15, 1411758), (18, 1176465), (27, 784310), (30, 705879), (45, 470586), (54, 392155), (90, 235293), (107, 197910), (135, 156862), (214, 98955), (270, 78431), (321, 65970), (535, 39582), (642, 32985), (733, 28890), (963, 21990), (1070, 19791), (1466, 14445), (1605, 13194), (1926, 10995), (2199, 9630), (2889, 7330), (3210, 6597), (3665, 5778), (4398, 4815)]