21380458913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{5387}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 24529969152

約数和(自身を除く): 3149510239

約数列:

[1, 11, 31, 103, 113, 341, 1133, 1243, 3193, 3503, 5387, 11639, 35123, 38533, 59257, 128029, 166997, 360809, 554861, 608731, 1836967, 3968899, 6103471, 6696041, 17200691, 18870661, 62699293, 189207601, 207577271, 689692223, 1943678083, 21380458913]

約数ペア:

[(1, 21380458913), (11, 1943678083), (31, 689692223), (103, 207577271), (113, 189207601), (341, 62699293), (1133, 18870661), (1243, 17200691), (3193, 6696041), (3503, 6103471), (5387, 3968899), (11639, 1836967), (35123, 608731), (38533, 554861), (59257, 360809), (128029, 166997)]