21452613

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14028987

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 439, 537, 1253, 1317, 2327, 3073, 3759, 5707, 6981, 9219, 16289, 17121, 39949, 48867, 78581, 119847, 235743, 550067, 1021553, 1650201, 3064659, 7150871, 21452613]

約数ペア:

[(1, 21452613), (3, 7150871), (7, 3064659), (13, 1650201), (21, 1021553), (39, 550067), (91, 235743), (179, 119847), (273, 78581), (439, 48867), (537, 39949), (1253, 17121), (1317, 16289), (2327, 9219), (3073, 6981), (3759, 5707)]