21590658

素因数分解:

$2^1\times 3^3\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 48136320

約数和(自身を除く): 26545662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 487, 821, 974, 1461, 1642, 2463, 2922, 4383, 4926, 7389, 8766, 13149, 14778, 22167, 26298, 44334, 399827, 799654, 1199481, 2398962, 3598443, 7196886, 10795329, 21590658]

約数ペア:

[(1, 21590658), (2, 10795329), (3, 7196886), (6, 3598443), (9, 2398962), (18, 1199481), (27, 799654), (54, 399827), (487, 44334), (821, 26298), (974, 22167), (1461, 14778), (1642, 13149), (2463, 8766), (2922, 7389), (4383, 4926)]