21073872

素因数分解:

$2^4\times 3^1\times {\mathrm{127}}^1\times {\mathrm{3457}}^1$

素因数の和:3595

約数の個数: 40

約数和(自身を含む): 54885376

約数和(自身を除く): 33811504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 127, 254, 381, 508, 762, 1016, 1524, 2032, 3048, 3457, 6096, 6914, 10371, 13828, 20742, 27656, 41484, 55312, 82968, 165936, 439039, 878078, 1317117, 1756156, 2634234, 3512312, 5268468, 7024624, 10536936, 21073872]

約数ペア:

[(1, 21073872), (2, 10536936), (3, 7024624), (4, 5268468), (6, 3512312), (8, 2634234), (12, 1756156), (16, 1317117), (24, 878078), (48, 439039), (127, 165936), (254, 82968), (381, 55312), (508, 41484), (762, 27656), (1016, 20742), (1524, 13828), (2032, 10371), (3048, 6914), (3457, 6096)]