21439178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4679}}^1$

素因数の和:4789

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 12256822

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4582, 4679, 9358, 135691, 271382, 369641, 739282, 10719589, 21439178]

約数ペア:

[(1, 21439178), (2, 10719589), (29, 739282), (58, 369641), (79, 271382), (158, 135691), (2291, 9358), (4582, 4679)]