21257110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5147}}^1$

素因数の和:5220

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23221610

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 5147, 10294, 25735, 36029, 51470, 72058, 180145, 303673, 360290, 607346, 1518365, 2125711, 3036730, 4251422, 10628555, 21257110]

約数ペア:

[(1, 21257110), (2, 10628555), (5, 4251422), (7, 3036730), (10, 2125711), (14, 1518365), (35, 607346), (59, 360290), (70, 303673), (118, 180145), (295, 72058), (413, 51470), (590, 36029), (826, 25735), (2065, 10294), (4130, 5147)]