21751744

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 56

約数和(自身を含む): 51499008

約数和(自身を除く): 29747264

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2111, 2576, 4222, 5152, 8444, 10304, 14777, 16888, 29554, 33776, 48553, 59108, 67552, 97106, 118216, 135104, 194212, 236432, 339871, 388424, 472864, 679742, 776848, 945728, 1359484, 1553696, 2718968, 3107392, 5437936, 10875872, 21751744]

約数ペア:

[(1, 21751744), (2, 10875872), (4, 5437936), (7, 3107392), (8, 2718968), (14, 1553696), (16, 1359484), (23, 945728), (28, 776848), (32, 679742), (46, 472864), (56, 388424), (64, 339871), (92, 236432), (112, 194212), (161, 135104), (184, 118216), (224, 97106), (322, 67552), (368, 59108), (448, 48553), (644, 33776), (736, 29554), (1288, 16888), (1472, 14777), (2111, 10304), (2576, 8444), (4222, 5152)]