21968275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6607}}^1$

素因数の和:6643

約数の個数: 24

約数和(自身を含む): 32775680

約数和(自身を除く): 10807405

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 6607, 33035, 46249, 125533, 165175, 231245, 627665, 878731, 1156225, 3138325, 4393655, 21968275]

約数ペア:

[(1, 21968275), (5, 4393655), (7, 3138325), (19, 1156225), (25, 878731), (35, 627665), (95, 231245), (133, 165175), (175, 125533), (475, 46249), (665, 33035), (3325, 6607)]