21007362009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13287389}}^1$

素因数の和:13287440

約数の個数: 16

約数和(自身を含む): 30614146560

約数和(自身を除く): 9606784551

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13287389, 39862167, 225885613, 411909059, 677656839, 1235727177, 7002454003, 21007362009]

約数ペア:

[(1, 21007362009), (3, 7002454003), (17, 1235727177), (31, 677656839), (51, 411909059), (93, 225885613), (527, 39862167), (1581, 13287389)]