21849035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 29816640

約数和(自身を除く): 7967605

約数列:

[1, 5, 13, 29, 65, 67, 145, 173, 335, 377, 865, 871, 1885, 1943, 2249, 4355, 5017, 9715, 11245, 11591, 25085, 25259, 57955, 65221, 126295, 150683, 326105, 336139, 753415, 1680695, 4369807, 21849035]

約数ペア:

[(1, 21849035), (5, 4369807), (13, 1680695), (29, 753415), (65, 336139), (67, 326105), (145, 150683), (173, 126295), (335, 65221), (377, 57955), (865, 25259), (871, 25085), (1885, 11591), (1943, 11245), (2249, 9715), (4355, 5017)]