21519896

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 19952104

約数列:

[1, 2, 4, 8, 59, 118, 127, 236, 254, 359, 472, 508, 718, 1016, 1436, 2872, 7493, 14986, 21181, 29972, 42362, 45593, 59944, 84724, 91186, 169448, 182372, 364744, 2689987, 5379974, 10759948, 21519896]

約数ペア:

[(1, 21519896), (2, 10759948), (4, 5379974), (8, 2689987), (59, 364744), (118, 182372), (127, 169448), (236, 91186), (254, 84724), (359, 59944), (472, 45593), (508, 42362), (718, 29972), (1016, 21181), (1436, 14986), (2872, 7493)]