21437808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63803}}^1$

素因数の和:63821

約数の個数: 40

約数和(自身を含む): 63293568

約数和(自身を除く): 41855760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63803, 127606, 191409, 255212, 382818, 446621, 510424, 765636, 893242, 1020848, 1339863, 1531272, 1786484, 2679726, 3062544, 3572968, 5359452, 7145936, 10718904, 21437808]

約数ペア:

[(1, 21437808), (2, 10718904), (3, 7145936), (4, 5359452), (6, 3572968), (7, 3062544), (8, 2679726), (12, 1786484), (14, 1531272), (16, 1339863), (21, 1020848), (24, 893242), (28, 765636), (42, 510424), (48, 446621), (56, 382818), (84, 255212), (112, 191409), (168, 127606), (336, 63803)]