21135960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58711}}^1$

素因数の和:58728

約数の個数: 48

約数和(自身を含む): 68693040

約数和(自身を除く): 47557080

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, 58711, 117422, 176133, 234844, 293555, 352266, 469688, 528399, 587110, 704532, 880665, 1056798, 1174220, 1409064, 1761330, 2113596, 2348440, 2641995, 3522660, 4227192, 5283990, 7045320, 10567980, 21135960]

約数ペア:

[(1, 21135960), (2, 10567980), (3, 7045320), (4, 5283990), (5, 4227192), (6, 3522660), (8, 2641995), (9, 2348440), (10, 2113596), (12, 1761330), (15, 1409064), (18, 1174220), (20, 1056798), (24, 880665), (30, 704532), (36, 587110), (40, 528399), (45, 469688), (60, 352266), (72, 293555), (90, 234844), (120, 176133), (180, 117422), (360, 58711)]