21356855741

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3631}}^1\times {\mathrm{23813}}^1$

素因数の和:27476

約数の個数: 16

約数和(自身を含む): 24217885440

約数和(自身を除く): 2861029699

約数列:

[1, 13, 19, 247, 3631, 23813, 47203, 68989, 309569, 452447, 896857, 5881811, 86465003, 1124045039, 1642835057, 21356855741]

約数ペア:

[(1, 21356855741), (13, 1642835057), (19, 1124045039), (247, 86465003), (3631, 5881811), (23813, 896857), (47203, 452447), (68989, 309569)]