21285628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58477}}^1$

素因数の和:58501

約数の個数: 24

約数和(自身を含む): 45846752

約数和(自身を除く): 24561124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58477, 116954, 233908, 409339, 760201, 818678, 1520402, 1637356, 3040804, 5321407, 10642814, 21285628]

約数ペア:

[(1, 21285628), (2, 10642814), (4, 5321407), (7, 3040804), (13, 1637356), (14, 1520402), (26, 818678), (28, 760201), (52, 409339), (91, 233908), (182, 116954), (364, 58477)]