21153664

素因数分解:

$2^7\times 7^1\times {\mathrm{23609}}^1$

素因数の和:23630

約数の個数: 32

約数和(自身を含む): 48164400

約数和(自身を除く): 27010736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23609, 47218, 94436, 165263, 188872, 330526, 377744, 661052, 755488, 1322104, 1510976, 2644208, 3021952, 5288416, 10576832, 21153664]

約数ペア:

[(1, 21153664), (2, 10576832), (4, 5288416), (7, 3021952), (8, 2644208), (14, 1510976), (16, 1322104), (28, 755488), (32, 661052), (56, 377744), (64, 330526), (112, 188872), (128, 165263), (224, 94436), (448, 47218), (896, 23609)]