21090969214

素因数分解:

$2^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1766117}}^1$

素因数の和:1766979

約数の個数: 16

約数和(自身を含む): 36198354528

約数和(自身を除く): 15107385314

約数列:

[1, 2, 7, 14, 853, 1706, 5971, 11942, 1766117, 3532234, 12362819, 24725638, 1506497801, 3012995602, 10545484607, 21090969214]

約数ペア:

[(1, 21090969214), (2, 10545484607), (7, 3012995602), (14, 1506497801), (853, 24725638), (1706, 12362819), (5971, 3532234), (11942, 1766117)]