21686742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15647}}^1$

素因数の和:15673

約数の個数: 48

約数和(自身を含む): 58586112

約数和(自身を除く): 36899370

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15647, 31294, 46941, 93882, 109529, 140823, 172117, 219058, 281646, 328587, 344234, 516351, 657174, 985761, 1032702, 1204819, 1549053, 1971522, 2409638, 3098106, 3614457, 7228914, 10843371, 21686742]

約数ペア:

[(1, 21686742), (2, 10843371), (3, 7228914), (6, 3614457), (7, 3098106), (9, 2409638), (11, 1971522), (14, 1549053), (18, 1204819), (21, 1032702), (22, 985761), (33, 657174), (42, 516351), (63, 344234), (66, 328587), (77, 281646), (99, 219058), (126, 172117), (154, 140823), (198, 109529), (231, 93882), (462, 46941), (693, 31294), (1386, 15647)]