21493431888

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4347377}}^1$

素因数の和:4347491

約数の個数: 40

約数和(自身を含む): 56063786688

約数和(自身を除く): 34570354800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4944, 4347377, 8694754, 13042131, 17389508, 26084262, 34779016, 52168524, 69558032, 104337048, 208674096, 447779831, 895559662, 1343339493, 1791119324, 2686678986, 3582238648, 5373357972, 7164477296, 10746715944, 21493431888]

約数ペア:

[(1, 21493431888), (2, 10746715944), (3, 7164477296), (4, 5373357972), (6, 3582238648), (8, 2686678986), (12, 1791119324), (16, 1343339493), (24, 895559662), (48, 447779831), (103, 208674096), (206, 104337048), (309, 69558032), (412, 52168524), (618, 34779016), (824, 26084262), (1236, 17389508), (1648, 13042131), (2472, 8694754), (4944, 4347377)]