21286154

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 11203702

約数列:

[1, 2, 101, 167, 202, 334, 631, 1262, 16867, 33734, 63731, 105377, 127462, 210754, 10643077, 21286154]

約数ペア:

[(1, 21286154), (2, 10643077), (101, 210754), (167, 127462), (202, 105377), (334, 63731), (631, 33734), (1262, 16867)]