21813843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3642

約数の個数: 16

約数和(自身を含む): 30905600

約数和(自身を除く): 9091757

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3511, 6213, 10533, 66709, 200127, 382699, 1148097, 7271281, 21813843]

約数ペア:

[(1, 21813843), (3, 7271281), (19, 1148097), (57, 382699), (109, 200127), (327, 66709), (2071, 10533), (3511, 6213)]