21703136

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 54613440

約数和(自身を除く): 32910304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 32, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 224, 232, 257, 364, 377, 406, 416, 464, 514, 728, 754, 812, 928, 1028, 1456, 1508, 1624, 1799, 2056, 2639, 2912, 3016, 3248, 3341, 3598, 4112, 5278, 6032, 6496, 6682, 7196, 7453, 8224, 10556, 12064, 13364, 14392, 14906, 21112, 23387, 26728, 28784, 29812, 42224, 46774, 52171, 53456, 57568, 59624, 84448, 93548, 96889, 104342, 106912, 119248, 187096, 193778, 208684, 238496, 374192, 387556, 417368, 678223, 748384, 775112, 834736, 1356446, 1550224, 1669472, 2712892, 3100448, 5425784, 10851568, 21703136]

約数ペア:

[(1, 21703136), (2, 10851568), (4, 5425784), (7, 3100448), (8, 2712892), (13, 1669472), (14, 1550224), (16, 1356446), (26, 834736), (28, 775112), (29, 748384), (32, 678223), (52, 417368), (56, 387556), (58, 374192), (91, 238496), (104, 208684), (112, 193778), (116, 187096), (182, 119248), (203, 106912), (208, 104342), (224, 96889), (232, 93548), (257, 84448), (364, 59624), (377, 57568), (406, 53456), (416, 52171), (464, 46774), (514, 42224), (728, 29812), (754, 28784), (812, 26728), (928, 23387), (1028, 21112), (1456, 14906), (1508, 14392), (1624, 13364), (1799, 12064), (2056, 10556), (2639, 8224), (2912, 7453), (3016, 7196), (3248, 6682), (3341, 6496), (3598, 6032), (4112, 5278)]