21439328

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6907}}^1$

素因数の和:7014

約数の個数: 24

約数和(自身を含む): 42649992

約数和(自身を除く): 21210664

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6907, 13814, 27628, 55256, 110512, 221024, 669979, 1339958, 2679916, 5359832, 10719664, 21439328]

約数ペア:

[(1, 21439328), (2, 10719664), (4, 5359832), (8, 2679916), (16, 1339958), (32, 669979), (97, 221024), (194, 110512), (388, 55256), (776, 27628), (1552, 13814), (3104, 6907)]