21538944

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2671}}^1$

素因数の和:2698

約数の個数: 96

約数和(自身を含む): 70861440

約数和(自身を除く): 49322496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2671, 2688, 4032, 5342, 8013, 8064, 10684, 16026, 18697, 21368, 24039, 32052, 37394, 42736, 48078, 56091, 64104, 74788, 85472, 96156, 112182, 128208, 149576, 168273, 170944, 192312, 224364, 256416, 299152, 336546, 341888, 384624, 448728, 512832, 598304, 673092, 769248, 897456, 1025664, 1196608, 1346184, 1538496, 1794912, 2393216, 2692368, 3076992, 3589824, 5384736, 7179648, 10769472, 21538944]

約数ペア:

[(1, 21538944), (2, 10769472), (3, 7179648), (4, 5384736), (6, 3589824), (7, 3076992), (8, 2692368), (9, 2393216), (12, 1794912), (14, 1538496), (16, 1346184), (18, 1196608), (21, 1025664), (24, 897456), (28, 769248), (32, 673092), (36, 598304), (42, 512832), (48, 448728), (56, 384624), (63, 341888), (64, 336546), (72, 299152), (84, 256416), (96, 224364), (112, 192312), (126, 170944), (128, 168273), (144, 149576), (168, 128208), (192, 112182), (224, 96156), (252, 85472), (288, 74788), (336, 64104), (384, 56091), (448, 48078), (504, 42736), (576, 37394), (672, 32052), (896, 24039), (1008, 21368), (1152, 18697), (1344, 16026), (2016, 10684), (2671, 8064), (2688, 8013), (4032, 5342)]