21570752

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:649

約数の個数: 56

約数和(自身を含む): 49560480

約数和(自身を除く): 27989728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 541, 623, 712, 1082, 1246, 1424, 2164, 2492, 2848, 3787, 4328, 4984, 5696, 7574, 8656, 9968, 15148, 17312, 19936, 30296, 34624, 39872, 48149, 60592, 96298, 121184, 192596, 242368, 337043, 385192, 674086, 770384, 1348172, 1540768, 2696344, 3081536, 5392688, 10785376, 21570752]

約数ペア:

[(1, 21570752), (2, 10785376), (4, 5392688), (7, 3081536), (8, 2696344), (14, 1540768), (16, 1348172), (28, 770384), (32, 674086), (56, 385192), (64, 337043), (89, 242368), (112, 192596), (178, 121184), (224, 96298), (356, 60592), (448, 48149), (541, 39872), (623, 34624), (712, 30296), (1082, 19936), (1246, 17312), (1424, 15148), (2164, 9968), (2492, 8656), (2848, 7574), (3787, 5696), (4328, 4984)]