21727664

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 48330240

約数和(自身を除く): 26602576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 463, 838, 926, 1676, 1852, 2933, 3241, 3352, 3704, 5866, 6482, 6704, 7408, 11732, 12964, 23464, 25928, 46928, 51856, 193997, 387994, 775988, 1357979, 1551976, 2715958, 3103952, 5431916, 10863832, 21727664]

約数ペア:

[(1, 21727664), (2, 10863832), (4, 5431916), (7, 3103952), (8, 2715958), (14, 1551976), (16, 1357979), (28, 775988), (56, 387994), (112, 193997), (419, 51856), (463, 46928), (838, 25928), (926, 23464), (1676, 12964), (1852, 11732), (2933, 7408), (3241, 6704), (3352, 6482), (3704, 5866)]