21550120012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{227159}}^1$

素因数の和:227841

約数の個数: 24

約数和(自身を含む): 38792567520

約数和(自身を除く): 17242447508

約数列:

[1, 2, 4, 37, 74, 148, 641, 1282, 2564, 23717, 47434, 94868, 227159, 454318, 908636, 8404883, 16809766, 33619532, 145608919, 291217838, 582435676, 5387530003, 10775060006, 21550120012]

約数ペア:

[(1, 21550120012), (2, 10775060006), (4, 5387530003), (37, 582435676), (74, 291217838), (148, 145608919), (641, 33619532), (1282, 16809766), (2564, 8404883), (23717, 908636), (47434, 454318), (94868, 227159)]