21993552

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{1039}}^1$

素因数の和:1070

約数の個数: 120

約数和(自身を含む): 73507200

約数和(自身を除く): 51513648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1039, 1176, 1323, 1512, 1764, 2078, 2352, 2646, 3024, 3117, 3528, 4156, 5292, 6234, 7056, 7273, 8312, 9351, 10584, 12468, 14546, 16624, 18702, 21168, 21819, 24936, 28053, 29092, 37404, 43638, 49872, 50911, 56106, 58184, 65457, 74808, 87276, 101822, 112212, 116368, 130914, 149616, 152733, 174552, 196371, 203644, 224424, 261828, 305466, 349104, 392742, 407288, 448848, 458199, 523656, 610932, 785484, 814576, 916398, 1047312, 1221864, 1374597, 1570968, 1832796, 2443728, 2749194, 3141936, 3665592, 5498388, 7331184, 10996776, 21993552]

約数ペア:

[(1, 21993552), (2, 10996776), (3, 7331184), (4, 5498388), (6, 3665592), (7, 3141936), (8, 2749194), (9, 2443728), (12, 1832796), (14, 1570968), (16, 1374597), (18, 1221864), (21, 1047312), (24, 916398), (27, 814576), (28, 785484), (36, 610932), (42, 523656), (48, 458199), (49, 448848), (54, 407288), (56, 392742), (63, 349104), (72, 305466), (84, 261828), (98, 224424), (108, 203644), (112, 196371), (126, 174552), (144, 152733), (147, 149616), (168, 130914), (189, 116368), (196, 112212), (216, 101822), (252, 87276), (294, 74808), (336, 65457), (378, 58184), (392, 56106), (432, 50911), (441, 49872), (504, 43638), (588, 37404), (756, 29092), (784, 28053), (882, 24936), (1008, 21819), (1039, 21168), (1176, 18702), (1323, 16624), (1512, 14546), (1764, 12468), (2078, 10584), (2352, 9351), (2646, 8312), (3024, 7273), (3117, 7056), (3528, 6234), (4156, 5292)]