21318976

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2069}}^1$

素因数の和:2111

約数の個数: 56

約数和(自身を含む): 50474880

約数和(自身を除く): 29155904

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, 2069, 2576, 4138, 5152, 8276, 10304, 14483, 16552, 28966, 33104, 47587, 57932, 66208, 95174, 115864, 132416, 190348, 231728, 333109, 380696, 463456, 666218, 761392, 926912, 1332436, 1522784, 2664872, 3045568, 5329744, 10659488, 21318976]

約数ペア:

[(1, 21318976), (2, 10659488), (4, 5329744), (7, 3045568), (8, 2664872), (14, 1522784), (16, 1332436), (23, 926912), (28, 761392), (32, 666218), (46, 463456), (56, 380696), (64, 333109), (92, 231728), (112, 190348), (161, 132416), (184, 115864), (224, 95174), (322, 66208), (368, 57932), (448, 47587), (644, 33104), (736, 28966), (1288, 16552), (1472, 14483), (2069, 10304), (2576, 8276), (4138, 5152)]