21205554

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2674

約数の個数: 32

約数和(自身を含む): 44824320

約数和(自身を除く): 23618766

約数列:

[1, 2, 3, 6, 29, 47, 58, 87, 94, 141, 174, 282, 1363, 2593, 2726, 4089, 5186, 7779, 8178, 15558, 75197, 121871, 150394, 225591, 243742, 365613, 451182, 731226, 3534259, 7068518, 10602777, 21205554]

約数ペア:

[(1, 21205554), (2, 10602777), (3, 7068518), (6, 3534259), (29, 731226), (47, 451182), (58, 365613), (87, 243742), (94, 225591), (141, 150394), (174, 121871), (282, 75197), (1363, 15558), (2593, 8178), (2726, 7779), (4089, 5186)]