21963783

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 30139776

約数和(自身を除く): 8175993

約数列:

[1, 3, 53, 107, 159, 321, 1291, 3873, 5671, 17013, 68423, 138137, 205269, 414411, 7321261, 21963783]

約数ペア:

[(1, 21963783), (3, 7321261), (53, 414411), (107, 205269), (159, 138137), (321, 68423), (1291, 17013), (3873, 5671)]