21643248

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 39959952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 179, 229, 264, 358, 458, 528, 537, 687, 716, 916, 1074, 1374, 1432, 1832, 1969, 2148, 2519, 2748, 2864, 3664, 3938, 4296, 5038, 5496, 5907, 7557, 7876, 8592, 10076, 10992, 11814, 15114, 15752, 20152, 23628, 30228, 31504, 40304, 40991, 47256, 60456, 81982, 94512, 120912, 122973, 163964, 245946, 327928, 450901, 491892, 655856, 901802, 983784, 1352703, 1803604, 1967568, 2705406, 3607208, 5410812, 7214416, 10821624, 21643248]

約数ペア:

[(1, 21643248), (2, 10821624), (3, 7214416), (4, 5410812), (6, 3607208), (8, 2705406), (11, 1967568), (12, 1803604), (16, 1352703), (22, 983784), (24, 901802), (33, 655856), (44, 491892), (48, 450901), (66, 327928), (88, 245946), (132, 163964), (176, 122973), (179, 120912), (229, 94512), (264, 81982), (358, 60456), (458, 47256), (528, 40991), (537, 40304), (687, 31504), (716, 30228), (916, 23628), (1074, 20152), (1374, 15752), (1432, 15114), (1832, 11814), (1969, 10992), (2148, 10076), (2519, 8592), (2748, 7876), (2864, 7557), (3664, 5907), (3938, 5496), (4296, 5038)]