21645744

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4649}}^1$

素因数の和:4757

約数の個数: 40

約数和(自身を含む): 56506800

約数和(自身を除く): 34861056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4649, 4656, 9298, 13947, 18596, 27894, 37192, 55788, 74384, 111576, 223152, 450953, 901906, 1352859, 1803812, 2705718, 3607624, 5411436, 7215248, 10822872, 21645744]

約数ペア:

[(1, 21645744), (2, 10822872), (3, 7215248), (4, 5411436), (6, 3607624), (8, 2705718), (12, 1803812), (16, 1352859), (24, 901906), (48, 450953), (97, 223152), (194, 111576), (291, 74384), (388, 55788), (582, 37192), (776, 27894), (1164, 18596), (1552, 13947), (2328, 9298), (4649, 4656)]