21596380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83063}}^1$

素因数の和:83085

約数の個数: 24

約数和(自身を含む): 48841632

約数和(自身を除く): 27245252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 83063, 166126, 332252, 415315, 830630, 1079819, 1661260, 2159638, 4319276, 5399095, 10798190, 21596380]

約数ペア:

[(1, 21596380), (2, 10798190), (4, 5399095), (5, 4319276), (10, 2159638), (13, 1661260), (20, 1079819), (26, 830630), (52, 415315), (65, 332252), (130, 166126), (260, 83063)]