21645806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5216

約数の個数: 32

約数和(自身を含む): 41707008

約数和(自身を除く): 20061202

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5171, 10342, 36197, 67223, 72394, 118933, 134446, 237866, 470561, 832531, 941122, 1546129, 1665062, 3092258, 10822903, 21645806]

約数ペア:

[(1, 21645806), (2, 10822903), (7, 3092258), (13, 1665062), (14, 1546129), (23, 941122), (26, 832531), (46, 470561), (91, 237866), (161, 134446), (182, 118933), (299, 72394), (322, 67223), (598, 36197), (2093, 10342), (4186, 5171)]