21262938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 46630560

約数和(自身を除く): 25367622

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 71, 74, 111, 114, 142, 213, 222, 426, 703, 1349, 1406, 2109, 2627, 2698, 4047, 4218, 5041, 5254, 7881, 8094, 10082, 15123, 15762, 30246, 49913, 95779, 99826, 149739, 186517, 191558, 287337, 299478, 373034, 559551, 574674, 1119102, 3543823, 7087646, 10631469, 21262938]

約数ペア:

[(1, 21262938), (2, 10631469), (3, 7087646), (6, 3543823), (19, 1119102), (37, 574674), (38, 559551), (57, 373034), (71, 299478), (74, 287337), (111, 191558), (114, 186517), (142, 149739), (213, 99826), (222, 95779), (426, 49913), (703, 30246), (1349, 15762), (1406, 15123), (2109, 10082), (2627, 8094), (2698, 7881), (4047, 5254), (4218, 5041)]