21103650670

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{41413}}^1$

素因数の和:41940

約数の個数: 32

約数和(自身を含む): 38375868960

約数和(自身を除く): 17272218290

約数列:

[1, 2, 5, 10, 131, 262, 389, 655, 778, 1310, 1945, 3890, 41413, 50959, 82826, 101918, 207065, 254795, 414130, 509590, 5425103, 10850206, 16109657, 27125515, 32219314, 54251030, 80548285, 161096570, 2110365067, 4220730134, 10551825335, 21103650670]

約数ペア:

[(1, 21103650670), (2, 10551825335), (5, 4220730134), (10, 2110365067), (131, 161096570), (262, 80548285), (389, 54251030), (655, 32219314), (778, 27125515), (1310, 16109657), (1945, 10850206), (3890, 5425103), (41413, 509590), (50959, 414130), (82826, 254795), (101918, 207065)]