21000913263

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12478261}}^1$

素因数の和:12478295

約数の個数: 24

約数和(自身を含む): 35038959696

約数和(自身を除く): 14038046433

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12478261, 37434783, 112304349, 137260871, 212130437, 411782613, 636391311, 1235347839, 1909173933, 2333434807, 7000304421, 21000913263]

約数ペア:

[(1, 21000913263), (3, 7000304421), (9, 2333434807), (11, 1909173933), (17, 1235347839), (33, 636391311), (51, 411782613), (99, 212130437), (153, 137260871), (187, 112304349), (561, 37434783), (1683, 12478261)]