21051936

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1174

約数の個数: 72

約数和(自身を含む): 60815664

約数和(自身を除く): 39763728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1091, 1206, 1608, 2144, 2182, 2412, 3216, 3273, 4364, 4824, 6432, 6546, 8728, 9648, 9819, 13092, 17456, 19296, 19638, 26184, 34912, 39276, 52368, 73097, 78552, 104736, 146194, 157104, 219291, 292388, 314208, 438582, 584776, 657873, 877164, 1169552, 1315746, 1754328, 2339104, 2631492, 3508656, 5262984, 7017312, 10525968, 21051936]

約数ペア:

[(1, 21051936), (2, 10525968), (3, 7017312), (4, 5262984), (6, 3508656), (8, 2631492), (9, 2339104), (12, 1754328), (16, 1315746), (18, 1169552), (24, 877164), (32, 657873), (36, 584776), (48, 438582), (67, 314208), (72, 292388), (96, 219291), (134, 157104), (144, 146194), (201, 104736), (268, 78552), (288, 73097), (402, 52368), (536, 39276), (603, 34912), (804, 26184), (1072, 19638), (1091, 19296), (1206, 17456), (1608, 13092), (2144, 9819), (2182, 9648), (2412, 8728), (3216, 6546), (3273, 6432), (4364, 4824)]