21179424

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31517}}^1$

素因数の和:31537

約数の個数: 48

約数和(自身を含む): 63540288

約数和(自身を除く): 42360864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31517, 63034, 94551, 126068, 189102, 220619, 252136, 378204, 441238, 504272, 661857, 756408, 882476, 1008544, 1323714, 1512816, 1764952, 2647428, 3025632, 3529904, 5294856, 7059808, 10589712, 21179424]

約数ペア:

[(1, 21179424), (2, 10589712), (3, 7059808), (4, 5294856), (6, 3529904), (7, 3025632), (8, 2647428), (12, 1764952), (14, 1512816), (16, 1323714), (21, 1008544), (24, 882476), (28, 756408), (32, 661857), (42, 504272), (48, 441238), (56, 378204), (84, 252136), (96, 220619), (112, 189102), (168, 126068), (224, 94551), (336, 63034), (672, 31517)]