21353101

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4139}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 5672819

約数列:

[1, 7, 11, 67, 77, 469, 737, 4139, 5159, 28973, 45529, 277313, 318703, 1941191, 3050443, 21353101]

約数ペア:

[(1, 21353101), (7, 3050443), (11, 1941191), (67, 318703), (77, 277313), (469, 45529), (737, 28973), (4139, 5159)]