21580494845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1529989}}^1$

素因数の和:1530045

約数の個数: 32

約数和(自身を含む): 32900904960

約数和(自身を除く): 11320410115

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 1529989, 7649945, 10709923, 19889857, 47429659, 53549615, 99449285, 139228999, 237148295, 332007613, 616585567, 696144995, 1660038065, 3082927835, 4316098969, 21580494845]

約数ペア:

[(1, 21580494845), (5, 4316098969), (7, 3082927835), (13, 1660038065), (31, 696144995), (35, 616585567), (65, 332007613), (91, 237148295), (155, 139228999), (217, 99449285), (403, 53549615), (455, 47429659), (1085, 19889857), (2015, 10709923), (2821, 7649945), (14105, 1529989)]