21485888

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3461}}^1$

素因数の和:3570

約数の個数: 28

約数和(自身を含む): 43088052

約数和(自身を除く): 21602164

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3461, 6208, 6922, 13844, 27688, 55376, 110752, 221504, 335717, 671434, 1342868, 2685736, 5371472, 10742944, 21485888]

約数ペア:

[(1, 21485888), (2, 10742944), (4, 5371472), (8, 2685736), (16, 1342868), (32, 671434), (64, 335717), (97, 221504), (194, 110752), (388, 55376), (776, 27688), (1552, 13844), (3104, 6922), (3461, 6208)]