21366184

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 28054616

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 467, 532, 602, 817, 934, 1064, 1204, 1634, 1868, 2408, 3268, 3269, 3736, 5719, 6536, 6538, 8873, 11438, 13076, 17746, 20081, 22876, 26152, 35492, 40162, 45752, 62111, 70984, 80324, 124222, 140567, 160648, 248444, 281134, 381539, 496888, 562268, 763078, 1124536, 1526156, 2670773, 3052312, 5341546, 10683092, 21366184]

約数ペア:

[(1, 21366184), (2, 10683092), (4, 5341546), (7, 3052312), (8, 2670773), (14, 1526156), (19, 1124536), (28, 763078), (38, 562268), (43, 496888), (56, 381539), (76, 281134), (86, 248444), (133, 160648), (152, 140567), (172, 124222), (266, 80324), (301, 70984), (344, 62111), (467, 45752), (532, 40162), (602, 35492), (817, 26152), (934, 22876), (1064, 20081), (1204, 17746), (1634, 13076), (1868, 11438), (2408, 8873), (3268, 6538), (3269, 6536), (3736, 5719)]