21955300

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1408

約数の個数: 36

約数和(自身を含む): 47945716

約数和(自身を除く): 25990416

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1213, 1810, 2426, 3620, 4525, 4852, 6065, 9050, 12130, 18100, 24260, 30325, 60650, 121300, 219553, 439106, 878212, 1097765, 2195530, 4391060, 5488825, 10977650, 21955300]

約数ペア:

[(1, 21955300), (2, 10977650), (4, 5488825), (5, 4391060), (10, 2195530), (20, 1097765), (25, 878212), (50, 439106), (100, 219553), (181, 121300), (362, 60650), (724, 30325), (905, 24260), (1213, 18100), (1810, 12130), (2426, 9050), (3620, 6065), (4525, 4852)]