21151648

素因数分解:

$2^5\times 7^1\times {\mathrm{94427}}^1$

素因数の和:94444

約数の個数: 24

約数和(自身を含む): 47591712

約数和(自身を除く): 26440064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94427, 188854, 377708, 660989, 755416, 1321978, 1510832, 2643956, 3021664, 5287912, 10575824, 21151648]

約数ペア:

[(1, 21151648), (2, 10575824), (4, 5287912), (7, 3021664), (8, 2643956), (14, 1510832), (16, 1321978), (28, 755416), (32, 660989), (56, 377708), (112, 188854), (224, 94427)]