21151323

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 31627440

約数和(自身を除く): 10476117

約数列:

[1, 3, 9, 59, 61, 177, 183, 531, 549, 653, 1959, 3599, 5877, 10797, 32391, 38527, 39833, 115581, 119499, 346743, 358497, 2350147, 7050441, 21151323]

約数ペア:

[(1, 21151323), (3, 7050441), (9, 2350147), (59, 358497), (61, 346743), (177, 119499), (183, 115581), (531, 39833), (549, 38527), (653, 32391), (1959, 10797), (3599, 5877)]