21861712

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{2251}}^1$

素因数の和:2866

約数の個数: 20

約数和(自身を含む): 42445696

約数和(自身を除く): 20583984

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2251, 2428, 4502, 4856, 9004, 9712, 18008, 36016, 1366357, 2732714, 5465428, 10930856, 21861712]

約数ペア:

[(1, 21861712), (2, 10930856), (4, 5465428), (8, 2732714), (16, 1366357), (607, 36016), (1214, 18008), (2251, 9712), (2428, 9004), (4502, 4856)]