21454055

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 10341145

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 919, 1015, 3335, 4595, 4669, 6433, 21137, 23345, 26651, 32165, 105685, 133255, 147959, 186557, 612973, 739795, 932785, 3064865, 4290811, 21454055]

約数ペア:

[(1, 21454055), (5, 4290811), (7, 3064865), (23, 932785), (29, 739795), (35, 612973), (115, 186557), (145, 147959), (161, 133255), (203, 105685), (667, 32165), (805, 26651), (919, 23345), (1015, 21137), (3335, 6433), (4595, 4669)]