21291576

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23977}}^1$

素因数の和:24023

約数の個数: 32

約数和(自身を含む): 54669840

約数和(自身を除く): 33378264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23977, 47954, 71931, 95908, 143862, 191816, 287724, 575448, 887149, 1774298, 2661447, 3548596, 5322894, 7097192, 10645788, 21291576]

約数ペア:

[(1, 21291576), (2, 10645788), (3, 7097192), (4, 5322894), (6, 3548596), (8, 2661447), (12, 1774298), (24, 887149), (37, 575448), (74, 287724), (111, 191816), (148, 143862), (222, 95908), (296, 71931), (444, 47954), (888, 23977)]