21621888

素因数分解:

$2^7\times 3^2\times {\mathrm{137}}^2$

素因数の和:294

約数の個数: 72

約数和(自身を含む): 62676705

約数和(自身を除く): 41054817

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 137, 144, 192, 274, 288, 384, 411, 548, 576, 822, 1096, 1152, 1233, 1644, 2192, 2466, 3288, 4384, 4932, 6576, 8768, 9864, 13152, 17536, 18769, 19728, 26304, 37538, 39456, 52608, 56307, 75076, 78912, 112614, 150152, 157824, 168921, 225228, 300304, 337842, 450456, 600608, 675684, 900912, 1201216, 1351368, 1801824, 2402432, 2702736, 3603648, 5405472, 7207296, 10810944, 21621888]

約数ペア:

[(1, 21621888), (2, 10810944), (3, 7207296), (4, 5405472), (6, 3603648), (8, 2702736), (9, 2402432), (12, 1801824), (16, 1351368), (18, 1201216), (24, 900912), (32, 675684), (36, 600608), (48, 450456), (64, 337842), (72, 300304), (96, 225228), (128, 168921), (137, 157824), (144, 150152), (192, 112614), (274, 78912), (288, 75076), (384, 56307), (411, 52608), (548, 39456), (576, 37538), (822, 26304), (1096, 19728), (1152, 18769), (1233, 17536), (1644, 13152), (2192, 9864), (2466, 8768), (3288, 6576), (4384, 4932)]