21783486487

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{9967}}^1$

素因数の和:10207

約数の個数: 32

約数和(自身を含む): 26147100672

約数和(自身を除く): 4363614185

約数列:

[1, 7, 43, 53, 137, 301, 371, 959, 2279, 5891, 7261, 9967, 15953, 41237, 50827, 69769, 312223, 428581, 528251, 1365479, 2185561, 3000067, 3697757, 9558353, 22714793, 58715597, 72370387, 159003551, 411009179, 506592709, 3111926641, 21783486487]

約数ペア:

[(1, 21783486487), (7, 3111926641), (43, 506592709), (53, 411009179), (137, 159003551), (301, 72370387), (371, 58715597), (959, 22714793), (2279, 9558353), (5891, 3697757), (7261, 3000067), (9967, 2185561), (15953, 1365479), (41237, 528251), (50827, 428581), (69769, 312223)]