21594170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3863}}^1$

素因数の和:3926

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 21249862

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3863, 5590, 7726, 19315, 38630, 50219, 100438, 166109, 251095, 332218, 502190, 830545, 1661090, 2159417, 4318834, 10797085, 21594170]

約数ペア:

[(1, 21594170), (2, 10797085), (5, 4318834), (10, 2159417), (13, 1661090), (26, 830545), (43, 502190), (65, 332218), (86, 251095), (130, 166109), (215, 100438), (430, 50219), (559, 38630), (1118, 19315), (2795, 7726), (3863, 5590)]