21270496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51131}}^1$

素因数の和:51154

約数の個数: 24

約数和(自身を含む): 45098424

約数和(自身を除く): 23827928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51131, 102262, 204524, 409048, 664703, 818096, 1329406, 1636192, 2658812, 5317624, 10635248, 21270496]

約数ペア:

[(1, 21270496), (2, 10635248), (4, 5317624), (8, 2658812), (13, 1636192), (16, 1329406), (26, 818096), (32, 664703), (52, 409048), (104, 204524), (208, 102262), (416, 51131)]