21549709055

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{4243}}^1$

素因数の和:4468

約数の個数: 48

約数和(自身を含む): 30747474432

約数和(自身を除く): 9197765377

約数列:

[1, 5, 7, 31, 35, 151, 155, 217, 755, 961, 1057, 1085, 4243, 4681, 4805, 5285, 6727, 21215, 23405, 29701, 32767, 33635, 131533, 145111, 148505, 163835, 640693, 657665, 725555, 920731, 1015777, 3203465, 4077523, 4484851, 4603655, 5078885, 19861483, 20387615, 22424255, 28542661, 99307415, 139030381, 142713305, 615705973, 695151905, 3078529865, 4309941811, 21549709055]

約数ペア:

[(1, 21549709055), (5, 4309941811), (7, 3078529865), (31, 695151905), (35, 615705973), (151, 142713305), (155, 139030381), (217, 99307415), (755, 28542661), (961, 22424255), (1057, 20387615), (1085, 19861483), (4243, 5078885), (4681, 4603655), (4805, 4484851), (5285, 4077523), (6727, 3203465), (21215, 1015777), (23405, 920731), (29701, 725555), (32767, 657665), (33635, 640693), (131533, 163835), (145111, 148505)]