21767110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 19653050

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 1597, 2726, 3194, 6815, 7985, 13630, 15970, 46313, 75059, 92626, 150118, 231565, 375295, 463130, 750590, 2176711, 4353422, 10883555, 21767110]

約数ペア:

[(1, 21767110), (2, 10883555), (5, 4353422), (10, 2176711), (29, 750590), (47, 463130), (58, 375295), (94, 231565), (145, 150118), (235, 92626), (290, 75059), (470, 46313), (1363, 15970), (1597, 13630), (2726, 7985), (3194, 6815)]