21849839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 25263360

約数和(自身を除く): 3413521

約数列:

[1, 11, 23, 67, 253, 737, 1289, 1541, 14179, 16951, 29647, 86363, 326117, 949993, 1986349, 21849839]

約数ペア:

[(1, 21849839), (11, 1986349), (23, 949993), (67, 326117), (253, 86363), (737, 29647), (1289, 16951), (1541, 14179)]