21320195192

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85968529}}^1$

素因数の和:85968566

約数の個数: 16

約数和(自身を含む): 41264894400

約数和(自身を除く): 19944699208

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85968529, 171937058, 343874116, 687748232, 2665024399, 5330048798, 10660097596, 21320195192]

約数ペア:

[(1, 21320195192), (2, 10660097596), (4, 5330048798), (8, 2665024399), (31, 687748232), (62, 343874116), (124, 171937058), (248, 85968529)]