21196256

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4219}}^1$

素因数の和:4386

約数の個数: 24

約数和(自身を含む): 42005880

約数和(自身を除く): 20809624

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4219, 5024, 8438, 16876, 33752, 67504, 135008, 662383, 1324766, 2649532, 5299064, 10598128, 21196256]

約数ペア:

[(1, 21196256), (2, 10598128), (4, 5299064), (8, 2649532), (16, 1324766), (32, 662383), (157, 135008), (314, 67504), (628, 33752), (1256, 16876), (2512, 8438), (4219, 5024)]