21629104

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1709}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 48345120

約数和(自身を除く): 26716016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1709, 1808, 3164, 3418, 6328, 6836, 11963, 12656, 13672, 23926, 27344, 47852, 95704, 191408, 193117, 386234, 772468, 1351819, 1544936, 2703638, 3089872, 5407276, 10814552, 21629104]

約数ペア:

[(1, 21629104), (2, 10814552), (4, 5407276), (7, 3089872), (8, 2703638), (14, 1544936), (16, 1351819), (28, 772468), (56, 386234), (112, 193117), (113, 191408), (226, 95704), (452, 47852), (791, 27344), (904, 23926), (1582, 13672), (1709, 12656), (1808, 11963), (3164, 6836), (3418, 6328)]