21455664

素因数分解:

$2^4\times 3^1\times {\mathrm{197}}^1\times {\mathrm{2269}}^1$

素因数の和:2477

約数の個数: 40

約数和(自身を含む): 55733040

約数和(自身を除く): 34277376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 197, 394, 591, 788, 1182, 1576, 2269, 2364, 3152, 4538, 4728, 6807, 9076, 9456, 13614, 18152, 27228, 36304, 54456, 108912, 446993, 893986, 1340979, 1787972, 2681958, 3575944, 5363916, 7151888, 10727832, 21455664]

約数ペア:

[(1, 21455664), (2, 10727832), (3, 7151888), (4, 5363916), (6, 3575944), (8, 2681958), (12, 1787972), (16, 1340979), (24, 893986), (48, 446993), (197, 108912), (394, 54456), (591, 36304), (788, 27228), (1182, 18152), (1576, 13614), (2269, 9456), (2364, 9076), (3152, 6807), (4538, 4728)]