21546324

素因数分解:

$2^2\times 3^8\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 54

約数和(自身を含む): 56625114

約数和(自身を除く): 35078790

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 821, 972, 1458, 1642, 2187, 2463, 2916, 3284, 4374, 4926, 6561, 7389, 8748, 9852, 13122, 14778, 22167, 26244, 29556, 44334, 66501, 88668, 133002, 199503, 266004, 399006, 598509, 798012, 1197018, 1795527, 2394036, 3591054, 5386581, 7182108, 10773162, 21546324]

約数ペア:

[(1, 21546324), (2, 10773162), (3, 7182108), (4, 5386581), (6, 3591054), (9, 2394036), (12, 1795527), (18, 1197018), (27, 798012), (36, 598509), (54, 399006), (81, 266004), (108, 199503), (162, 133002), (243, 88668), (324, 66501), (486, 44334), (729, 29556), (821, 26244), (972, 22167), (1458, 14778), (1642, 13122), (2187, 9852), (2463, 8748), (2916, 7389), (3284, 6561), (4374, 4926)]