21784448

素因数分解:

$2^7\times 7^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 50893920

約数和(自身を除く): 29109472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 287, 328, 448, 574, 593, 656, 896, 1148, 1186, 1312, 2296, 2372, 2624, 4151, 4592, 4744, 5248, 8302, 9184, 9488, 16604, 18368, 18976, 24313, 33208, 36736, 37952, 48626, 66416, 75904, 97252, 132832, 170191, 194504, 265664, 340382, 389008, 531328, 680764, 778016, 1361528, 1556032, 2723056, 3112064, 5446112, 10892224, 21784448]

約数ペア:

[(1, 21784448), (2, 10892224), (4, 5446112), (7, 3112064), (8, 2723056), (14, 1556032), (16, 1361528), (28, 778016), (32, 680764), (41, 531328), (56, 389008), (64, 340382), (82, 265664), (112, 194504), (128, 170191), (164, 132832), (224, 97252), (287, 75904), (328, 66416), (448, 48626), (574, 37952), (593, 36736), (656, 33208), (896, 24313), (1148, 18976), (1186, 18368), (1312, 16604), (2296, 9488), (2372, 9184), (2624, 8302), (4151, 5248), (4592, 4744)]