21234345

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128693}}^1$

素因数の和:128712

約数の個数: 16

約数和(自身を含む): 37063872

約数和(自身を除く): 15829527

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 128693, 386079, 643465, 1415623, 1930395, 4246869, 7078115, 21234345]

約数ペア:

[(1, 21234345), (3, 7078115), (5, 4246869), (11, 1930395), (15, 1415623), (33, 643465), (55, 386079), (165, 128693)]