21000913305

素因数分解:

$3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6113803}}^1$

素因数の和:6114040

約数の個数: 16

約数和(自身を含む): 33748198080

約数和(自身を除く): 12747284775

約数列:

[1, 3, 5, 15, 229, 687, 1145, 3435, 6113803, 18341409, 30569015, 91707045, 1400060887, 4200182661, 7000304435, 21000913305]

約数ペア:

[(1, 21000913305), (3, 7000304435), (5, 4200182661), (15, 1400060887), (229, 91707045), (687, 30569015), (1145, 18341409), (3435, 6113803)]