21785230

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 40755456

約数和(自身を除く): 18970226

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 607, 970, 1214, 3035, 3589, 6070, 7178, 17945, 22459, 35890, 44918, 58879, 112295, 117758, 224590, 294395, 588790, 2178523, 4357046, 10892615, 21785230]

約数ペア:

[(1, 21785230), (2, 10892615), (5, 4357046), (10, 2178523), (37, 588790), (74, 294395), (97, 224590), (185, 117758), (194, 112295), (370, 58879), (485, 44918), (607, 35890), (970, 22459), (1214, 17945), (3035, 7178), (3589, 6070)]