21263394

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 44974080

約数和(自身を除く): 23710686

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 383, 487, 766, 974, 1149, 1461, 2298, 2922, 7277, 9253, 14554, 18506, 21831, 27759, 43662, 55518, 186521, 373042, 559563, 1119126, 3543899, 7087798, 10631697, 21263394]

約数ペア:

[(1, 21263394), (2, 10631697), (3, 7087798), (6, 3543899), (19, 1119126), (38, 559563), (57, 373042), (114, 186521), (383, 55518), (487, 43662), (766, 27759), (974, 21831), (1149, 18506), (1461, 14554), (2298, 9253), (2922, 7277)]