21555183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6659}}^1$

素因数の和:6758

約数の個数: 16

約数和(自身を含む): 31328640

約数和(自身を除く): 9773457

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6659, 19977, 86567, 259701, 552697, 1658091, 7185061, 21555183]

約数ペア:

[(1, 21555183), (3, 7185061), (13, 1658091), (39, 552697), (83, 259701), (249, 86567), (1079, 19977), (3237, 6659)]