21433324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^2$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 42304248

約数和(自身を除く): 20870924

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 109, 164, 218, 436, 451, 902, 1199, 1804, 2398, 4469, 4796, 8938, 11881, 17876, 23762, 47524, 49159, 98318, 130691, 196636, 261382, 487121, 522764, 974242, 1948484, 5358331, 10716662, 21433324]

約数ペア:

[(1, 21433324), (2, 10716662), (4, 5358331), (11, 1948484), (22, 974242), (41, 522764), (44, 487121), (82, 261382), (109, 196636), (164, 130691), (218, 98318), (436, 49159), (451, 47524), (902, 23762), (1199, 17876), (1804, 11881), (2398, 8938), (4469, 4796)]