21175740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117643}}^1$

素因数の和:117658

約数の個数: 36

約数和(自身を含む): 64233624

約数和(自身を除く): 43057884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117643, 235286, 352929, 470572, 588215, 705858, 1058787, 1176430, 1411716, 1764645, 2117574, 2352860, 3529290, 4235148, 5293935, 7058580, 10587870, 21175740]

約数ペア:

[(1, 21175740), (2, 10587870), (3, 7058580), (4, 5293935), (5, 4235148), (6, 3529290), (9, 2352860), (10, 2117574), (12, 1764645), (15, 1411716), (18, 1176430), (20, 1058787), (30, 705858), (36, 588215), (45, 470572), (60, 352929), (90, 235286), (180, 117643)]