21000547672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201928343}}^1$

素因数の和:201928362

約数の個数: 16

約数和(自身を含む): 42404952240

約数和(自身を除く): 21404404568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201928343, 403856686, 807713372, 1615426744, 2625068459, 5250136918, 10500273836, 21000547672]

約数ペア:

[(1, 21000547672), (2, 10500273836), (4, 5250136918), (8, 2625068459), (13, 1615426744), (26, 807713372), (52, 403856686), (104, 201928343)]