21302144

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{1021}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 42740040

約数和(自身を除く): 21437896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 1021, 1304, 2042, 2608, 4084, 5216, 8168, 10432, 16336, 20864, 32672, 65344, 130688, 166423, 332846, 665692, 1331384, 2662768, 5325536, 10651072, 21302144]

約数ペア:

[(1, 21302144), (2, 10651072), (4, 5325536), (8, 2662768), (16, 1331384), (32, 665692), (64, 332846), (128, 166423), (163, 130688), (326, 65344), (652, 32672), (1021, 20864), (1304, 16336), (2042, 10432), (2608, 8168), (4084, 5216)]