21282544

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 43425792

約数和(自身を除く): 22143248

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 151, 184, 302, 368, 383, 604, 766, 1208, 1532, 2416, 3064, 3473, 6128, 6946, 8809, 13892, 17618, 27784, 35236, 55568, 57833, 70472, 115666, 140944, 231332, 462664, 925328, 1330159, 2660318, 5320636, 10641272, 21282544]

約数ペア:

[(1, 21282544), (2, 10641272), (4, 5320636), (8, 2660318), (16, 1330159), (23, 925328), (46, 462664), (92, 231332), (151, 140944), (184, 115666), (302, 70472), (368, 57833), (383, 55568), (604, 35236), (766, 27784), (1208, 17618), (1532, 13892), (2416, 8809), (3064, 6946), (3473, 6128)]