21125504

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{1093}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 42403440

約数和(自身を除く): 21277936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1093, 1208, 2186, 2416, 4372, 4832, 8744, 9664, 17488, 19328, 34976, 69952, 139904, 165043, 330086, 660172, 1320344, 2640688, 5281376, 10562752, 21125504]

約数ペア:

[(1, 21125504), (2, 10562752), (4, 5281376), (8, 2640688), (16, 1320344), (32, 660172), (64, 330086), (128, 165043), (151, 139904), (302, 69952), (604, 34976), (1093, 19328), (1208, 17488), (2186, 9664), (2416, 8744), (4372, 4832)]