21321376

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6869}}^1$

素因数の和:6976

約数の個数: 24

約数和(自身を含む): 42415380

約数和(自身を除く): 21094004

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6869, 13738, 27476, 54952, 109904, 219808, 666293, 1332586, 2665172, 5330344, 10660688, 21321376]

約数ペア:

[(1, 21321376), (2, 10660688), (4, 5330344), (8, 2665172), (16, 1332586), (32, 666293), (97, 219808), (194, 109904), (388, 54952), (776, 27476), (1552, 13738), (3104, 6869)]