23121021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 15733635

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 991, 1111, 2121, 2973, 3333, 6937, 7777, 10901, 20811, 23331, 32703, 76307, 100091, 228921, 300273, 700637, 1101001, 2101911, 3303003, 7707007, 23121021]

約数ペア:

[(1, 23121021), (3, 7707007), (7, 3303003), (11, 2101911), (21, 1101001), (33, 700637), (77, 300273), (101, 228921), (231, 100091), (303, 76307), (707, 32703), (991, 23331), (1111, 20811), (2121, 10901), (2973, 7777), (3333, 6937)]