21490410237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{82699}}^1$

素因数の和:82865

約数の個数: 32

約数和(自身を含む): 31121664000

約数和(自身を除く): 9631253763

約数列:

[1, 3, 19, 47, 57, 97, 141, 291, 893, 1843, 2679, 4559, 5529, 13677, 82699, 86621, 248097, 259863, 1571281, 3886853, 4713843, 8021803, 11660559, 24065409, 73850207, 152414257, 221550621, 377024741, 457242771, 1131074223, 7163470079, 21490410237]

約数ペア:

[(1, 21490410237), (3, 7163470079), (19, 1131074223), (47, 457242771), (57, 377024741), (97, 221550621), (141, 152414257), (291, 73850207), (893, 24065409), (1843, 11660559), (2679, 8021803), (4559, 4713843), (5529, 3886853), (13677, 1571281), (82699, 259863), (86621, 248097)]