21226976

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 22899232

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 151, 184, 191, 302, 368, 382, 604, 736, 764, 1208, 1528, 2416, 3056, 3473, 4393, 4832, 6112, 6946, 8786, 13892, 17572, 27784, 28841, 35144, 55568, 57682, 70288, 111136, 115364, 140576, 230728, 461456, 663343, 922912, 1326686, 2653372, 5306744, 10613488, 21226976]

約数ペア:

[(1, 21226976), (2, 10613488), (4, 5306744), (8, 2653372), (16, 1326686), (23, 922912), (32, 663343), (46, 461456), (92, 230728), (151, 140576), (184, 115364), (191, 111136), (302, 70288), (368, 57682), (382, 55568), (604, 35144), (736, 28841), (764, 27784), (1208, 17572), (1528, 13892), (2416, 8786), (3056, 6946), (3473, 6112), (4393, 4832)]