21150528

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15737}}^1$

素因数の和:15759

約数の個数: 56

約数和(自身を含む): 63959232

約数和(自身を除く): 42808704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15737, 31474, 47211, 62948, 94422, 110159, 125896, 188844, 220318, 251792, 330477, 377688, 440636, 503584, 660954, 755376, 881272, 1007168, 1321908, 1510752, 1762544, 2643816, 3021504, 3525088, 5287632, 7050176, 10575264, 21150528]

約数ペア:

[(1, 21150528), (2, 10575264), (3, 7050176), (4, 5287632), (6, 3525088), (7, 3021504), (8, 2643816), (12, 1762544), (14, 1510752), (16, 1321908), (21, 1007168), (24, 881272), (28, 755376), (32, 660954), (42, 503584), (48, 440636), (56, 377688), (64, 330477), (84, 251792), (96, 220318), (112, 188844), (168, 125896), (192, 110159), (224, 94422), (336, 62948), (448, 47211), (672, 31474), (1344, 15737)]