21000887979

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6524041}}^1$

素因数の和:6524110

約数の個数: 16

約数和(自身を含む): 29749631520

約数和(自身を除く): 8748743541

約数列:

[1, 3, 29, 37, 87, 111, 1073, 3219, 6524041, 19572123, 189197189, 241389517, 567591567, 724168551, 7000295993, 21000887979]

約数ペア:

[(1, 21000887979), (3, 7000295993), (29, 724168551), (37, 567591567), (87, 241389517), (111, 189197189), (1073, 19572123), (3219, 6524041)]