21776268

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 30720372

約数列:

[1, 2, 3, 4, 6, 12, 61, 71, 122, 142, 183, 213, 244, 284, 366, 419, 426, 732, 838, 852, 1257, 1676, 2514, 4331, 5028, 8662, 12993, 17324, 25559, 25986, 29749, 51118, 51972, 59498, 76677, 89247, 102236, 118996, 153354, 178494, 306708, 356988, 1814689, 3629378, 5444067, 7258756, 10888134, 21776268]

約数ペア:

[(1, 21776268), (2, 10888134), (3, 7258756), (4, 5444067), (6, 3629378), (12, 1814689), (61, 356988), (71, 306708), (122, 178494), (142, 153354), (183, 118996), (213, 102236), (244, 89247), (284, 76677), (366, 59498), (419, 51972), (426, 51118), (732, 29749), (838, 25986), (852, 25559), (1257, 17324), (1676, 12993), (2514, 8662), (4331, 5028)]