21000906412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1789}}^1\times {\mathrm{3673}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 39774430080

約数和(自身を除く): 18773523668

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 1789, 3196, 3578, 3673, 7156, 7346, 14692, 30413, 60826, 62441, 84083, 121652, 124882, 168166, 172631, 249764, 336332, 345262, 690524, 1429411, 2858822, 2934727, 5717644, 5869454, 6570997, 11738908, 13141994, 26283988, 111706949, 223413898, 308836859, 446827796, 617673718, 1235347436, 5250226603, 10500453206, 21000906412]

約数ペア:

[(1, 21000906412), (2, 10500453206), (4, 5250226603), (17, 1235347436), (34, 617673718), (47, 446827796), (68, 308836859), (94, 223413898), (188, 111706949), (799, 26283988), (1598, 13141994), (1789, 11738908), (3196, 6570997), (3578, 5869454), (3673, 5717644), (7156, 2934727), (7346, 2858822), (14692, 1429411), (30413, 690524), (60826, 345262), (62441, 336332), (84083, 249764), (121652, 172631), (124882, 168166)]