21389688

素因数分解:

$2^3\times 3^2\times {\mathrm{297079}}^1$

素因数の和:297091

約数の個数: 24

約数和(自身を含む): 57930600

約数和(自身を除く): 36540912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297079, 594158, 891237, 1188316, 1782474, 2376632, 2673711, 3564948, 5347422, 7129896, 10694844, 21389688]

約数ペア:

[(1, 21389688), (2, 10694844), (3, 7129896), (4, 5347422), (6, 3564948), (8, 2673711), (9, 2376632), (12, 1782474), (18, 1188316), (24, 891237), (36, 594158), (72, 297079)]