21578208

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4241}}^1$

素因数の和:4307

約数の個数: 48

約数和(自身を含む): 57725136

約数和(自身を除く): 36146928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4241, 5088, 8482, 12723, 16964, 25446, 33928, 50892, 67856, 101784, 135712, 203568, 224773, 407136, 449546, 674319, 899092, 1348638, 1798184, 2697276, 3596368, 5394552, 7192736, 10789104, 21578208]

約数ペア:

[(1, 21578208), (2, 10789104), (3, 7192736), (4, 5394552), (6, 3596368), (8, 2697276), (12, 1798184), (16, 1348638), (24, 899092), (32, 674319), (48, 449546), (53, 407136), (96, 224773), (106, 203568), (159, 135712), (212, 101784), (318, 67856), (424, 50892), (636, 33928), (848, 25446), (1272, 16964), (1696, 12723), (2544, 8482), (4241, 5088)]