21123426

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1663}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 44328960

約数和(自身を除く): 23205534

約数列:

[1, 2, 3, 6, 29, 58, 73, 87, 146, 174, 219, 438, 1663, 2117, 3326, 4234, 4989, 6351, 9978, 12702, 48227, 96454, 121399, 144681, 242798, 289362, 364197, 728394, 3520571, 7041142, 10561713, 21123426]

約数ペア:

[(1, 21123426), (2, 10561713), (3, 7041142), (6, 3520571), (29, 728394), (58, 364197), (73, 289362), (87, 242798), (146, 144681), (174, 121399), (219, 96454), (438, 48227), (1663, 12702), (2117, 9978), (3326, 6351), (4234, 4989)]