21497658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39373}}^1$

素因数の和:39398

約数の個数: 32

約数和(自身を含む): 52918656

約数和(自身を除く): 31420998

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 39373, 78746, 118119, 236238, 275611, 511849, 551222, 826833, 1023698, 1535547, 1653666, 3071094, 3582943, 7165886, 10748829, 21497658]

約数ペア:

[(1, 21497658), (2, 10748829), (3, 7165886), (6, 3582943), (7, 3071094), (13, 1653666), (14, 1535547), (21, 1023698), (26, 826833), (39, 551222), (42, 511849), (78, 275611), (91, 236238), (182, 118119), (273, 78746), (546, 39373)]