21235047

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3643}}^1$

素因数の和:3742

約数の個数: 16

約数和(自身を含む): 29735040

約数和(自身を除く): 8499993

約数列:

[1, 3, 29, 67, 87, 201, 1943, 3643, 5829, 10929, 105647, 244081, 316941, 732243, 7078349, 21235047]

約数ペア:

[(1, 21235047), (3, 7078349), (29, 732243), (67, 316941), (87, 244081), (201, 105647), (1943, 10929), (3643, 5829)]