21613839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1447}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 31137792

約数和(自身を除く): 9523953

約数列:

[1, 3, 13, 39, 383, 1149, 1447, 4341, 4979, 14937, 18811, 56433, 554201, 1662603, 7204613, 21613839]

約数ペア:

[(1, 21613839), (3, 7204613), (13, 1662603), (39, 554201), (383, 56433), (1149, 18811), (1447, 14937), (4341, 4979)]