21638176

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 48

約数和(自身を含む): 50379840

約数和(自身を除く): 28741664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 3331, 6496, 6662, 13324, 23317, 26648, 46634, 53296, 93268, 96599, 106592, 186536, 193198, 373072, 386396, 676193, 746144, 772792, 1352386, 1545584, 2704772, 3091168, 5409544, 10819088, 21638176]

約数ペア:

[(1, 21638176), (2, 10819088), (4, 5409544), (7, 3091168), (8, 2704772), (14, 1545584), (16, 1352386), (28, 772792), (29, 746144), (32, 676193), (56, 386396), (58, 373072), (112, 193198), (116, 186536), (203, 106592), (224, 96599), (232, 93268), (406, 53296), (464, 46634), (812, 26648), (928, 23317), (1624, 13324), (3248, 6662), (3331, 6496)]