21100730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8147}}^1$

素因数の和:8198

約数の個数: 32

約数和(自身を含む): 44585856

約数和(自身を除く): 23485126

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8147, 16294, 40735, 57029, 81470, 114058, 285145, 301439, 570290, 602878, 1507195, 2110073, 3014390, 4220146, 10550365, 21100730]

約数ペア:

[(1, 21100730), (2, 10550365), (5, 4220146), (7, 3014390), (10, 2110073), (14, 1507195), (35, 602878), (37, 570290), (70, 301439), (74, 285145), (185, 114058), (259, 81470), (370, 57029), (518, 40735), (1295, 16294), (2590, 8147)]