21146626

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 34372800

約数和(自身を除く): 13226174

約数列:

[1, 2, 29, 43, 58, 61, 86, 122, 139, 278, 1247, 1769, 2494, 2623, 3538, 4031, 5246, 5977, 8062, 8479, 11954, 16958, 76067, 152134, 173333, 245891, 346666, 364597, 491782, 729194, 10573313, 21146626]

約数ペア:

[(1, 21146626), (2, 10573313), (29, 729194), (43, 491782), (58, 364597), (61, 346666), (86, 245891), (122, 173333), (139, 152134), (278, 76067), (1247, 16958), (1769, 11954), (2494, 8479), (2623, 8062), (3538, 5977), (4031, 5246)]