21765754

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 13877126

約数列:

[1, 2, 19, 38, 67, 83, 103, 134, 166, 206, 1273, 1577, 1957, 2546, 3154, 3914, 5561, 6901, 8549, 11122, 13802, 17098, 105659, 131119, 162431, 211318, 262238, 324862, 572783, 1145566, 10882877, 21765754]

約数ペア:

[(1, 21765754), (2, 10882877), (19, 1145566), (38, 572783), (67, 324862), (83, 262238), (103, 211318), (134, 162431), (166, 131119), (206, 105659), (1273, 17098), (1577, 13802), (1957, 11122), (2546, 8549), (3154, 6901), (3914, 5561)]