21334840

素因数分解:

$2^3\times 5^1\times {\mathrm{533371}}^1$

素因数の和:533382

約数の個数: 16

約数和(自身を含む): 48003480

約数和(自身を除く): 26668640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 533371, 1066742, 2133484, 2666855, 4266968, 5333710, 10667420, 21334840]

約数ペア:

[(1, 21334840), (2, 10667420), (4, 5333710), (5, 4266968), (8, 2666855), (10, 2133484), (20, 1066742), (40, 533371)]