21045936

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3347}}^1$

素因数の和:3489

約数の個数: 40

約数和(自身を含む): 54800064

約数和(自身を除く): 33754128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3347, 6288, 6694, 10041, 13388, 20082, 26776, 40164, 53552, 80328, 160656, 438457, 876914, 1315371, 1753828, 2630742, 3507656, 5261484, 7015312, 10522968, 21045936]

約数ペア:

[(1, 21045936), (2, 10522968), (3, 7015312), (4, 5261484), (6, 3507656), (8, 2630742), (12, 1753828), (16, 1315371), (24, 876914), (48, 438457), (131, 160656), (262, 80328), (393, 53552), (524, 40164), (786, 26776), (1048, 20082), (1572, 13388), (2096, 10041), (3144, 6694), (3347, 6288)]