21099648

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2429

約数の個数: 64

約数和(自身を含む): 58507200

約数和(自身を除く): 37407552

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, 2389, 2944, 4416, 4778, 7167, 8832, 9556, 14334, 19112, 28668, 38224, 54947, 57336, 76448, 109894, 114672, 152896, 164841, 219788, 229344, 305792, 329682, 439576, 458688, 659364, 879152, 917376, 1318728, 1758304, 2637456, 3516608, 5274912, 7033216, 10549824, 21099648]

約数ペア:

[(1, 21099648), (2, 10549824), (3, 7033216), (4, 5274912), (6, 3516608), (8, 2637456), (12, 1758304), (16, 1318728), (23, 917376), (24, 879152), (32, 659364), (46, 458688), (48, 439576), (64, 329682), (69, 305792), (92, 229344), (96, 219788), (128, 164841), (138, 152896), (184, 114672), (192, 109894), (276, 76448), (368, 57336), (384, 54947), (552, 38224), (736, 28668), (1104, 19112), (1472, 14334), (2208, 9556), (2389, 8832), (2944, 7167), (4416, 4778)]