21000983979

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{3623}}^1\times {\mathrm{32749}}^1$

素因数の和:36434

約数の個数: 16

約数和(自身を含む): 28484640000

約数和(自身を除く): 7483656021

約数列:

[1, 3, 59, 177, 3623, 10869, 32749, 98247, 213757, 641271, 1932191, 5796573, 118649627, 355948881, 7000327993, 21000983979]

約数ペア:

[(1, 21000983979), (3, 7000327993), (59, 355948881), (177, 118649627), (3623, 5796573), (10869, 1932191), (32749, 641271), (98247, 213757)]