21354016

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8447}}^1$

素因数の和:8536

約数の個数: 24

約数和(自身を含む): 42577920

約数和(自身を除く): 21223904

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8447, 16894, 33788, 67576, 135152, 270304, 667313, 1334626, 2669252, 5338504, 10677008, 21354016]

約数ペア:

[(1, 21354016), (2, 10677008), (4, 5338504), (8, 2669252), (16, 1334626), (32, 667313), (79, 270304), (158, 135152), (316, 67576), (632, 33788), (1264, 16894), (2528, 8447)]