21612136

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4241}}^1$

素因数の和:4274

約数の個数: 48

約数和(自身を含む): 50776740

約数和(自身を除く): 29164604

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4241, 5096, 8482, 16964, 29687, 33928, 55133, 59374, 110266, 118748, 207809, 220532, 237496, 385931, 415618, 441064, 771862, 831236, 1543724, 1662472, 2701517, 3087448, 5403034, 10806068, 21612136]

約数ペア:

[(1, 21612136), (2, 10806068), (4, 5403034), (7, 3087448), (8, 2701517), (13, 1662472), (14, 1543724), (26, 831236), (28, 771862), (49, 441064), (52, 415618), (56, 385931), (91, 237496), (98, 220532), (104, 207809), (182, 118748), (196, 110266), (364, 59374), (392, 55133), (637, 33928), (728, 29687), (1274, 16964), (2548, 8482), (4241, 5096)]