21978341882

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{117427}}^1$

素因数の和:117926

約数の個数: 32

約数和(自身を含む): 39061249920

約数和(自身を除く): 17082908038

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 461, 922, 3227, 6454, 13369, 26738, 93583, 117427, 187166, 234854, 821989, 1643978, 3405383, 6810766, 23837681, 47675362, 54133847, 108267694, 378936929, 757873858, 1569881563, 3139763126, 10989170941, 21978341882]

約数ペア:

[(1, 21978341882), (2, 10989170941), (7, 3139763126), (14, 1569881563), (29, 757873858), (58, 378936929), (203, 108267694), (406, 54133847), (461, 47675362), (922, 23837681), (3227, 6810766), (6454, 3405383), (13369, 1643978), (26738, 821989), (93583, 234854), (117427, 187166)]