21535998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8819}}^1$

素因数の和:8872

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 26727042

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8819, 17638, 26457, 52914, 97009, 194018, 291027, 326303, 582054, 652606, 978909, 1957818, 3589333, 7178666, 10767999, 21535998]

約数ペア:

[(1, 21535998), (2, 10767999), (3, 7178666), (6, 3589333), (11, 1957818), (22, 978909), (33, 652606), (37, 582054), (66, 326303), (74, 291027), (111, 194018), (222, 97009), (407, 52914), (814, 26457), (1221, 17638), (2442, 8819)]