21611904

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1$

素因数の和:2487

約数の個数: 64

約数和(自身を含む): 59927040

約数和(自身を除く): 38315136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2447, 2944, 4416, 4894, 7341, 8832, 9788, 14682, 19576, 29364, 39152, 56281, 58728, 78304, 112562, 117456, 156608, 168843, 225124, 234912, 313216, 337686, 450248, 469824, 675372, 900496, 939648, 1350744, 1800992, 2701488, 3601984, 5402976, 7203968, 10805952, 21611904]

約数ペア:

[(1, 21611904), (2, 10805952), (3, 7203968), (4, 5402976), (6, 3601984), (8, 2701488), (12, 1800992), (16, 1350744), (23, 939648), (24, 900496), (32, 675372), (46, 469824), (48, 450248), (64, 337686), (69, 313216), (92, 234912), (96, 225124), (128, 168843), (138, 156608), (184, 117456), (192, 112562), (276, 78304), (368, 58728), (384, 56281), (552, 39152), (736, 29364), (1104, 19576), (1472, 14682), (2208, 9788), (2447, 8832), (2944, 7341), (4416, 4894)]