12222021

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 20355840

約数和(自身を除く): 8133819

約数列:

[1, 3, 7, 21, 29, 47, 49, 61, 87, 141, 147, 183, 203, 329, 427, 609, 987, 1281, 1363, 1421, 1769, 2303, 2867, 2989, 4089, 4263, 5307, 6909, 8601, 8967, 9541, 12383, 20069, 28623, 37149, 60207, 66787, 83143, 86681, 140483, 200361, 249429, 260043, 421449, 582001, 1746003, 4074007, 12222021]

約数ペア:

[(1, 12222021), (3, 4074007), (7, 1746003), (21, 582001), (29, 421449), (47, 260043), (49, 249429), (61, 200361), (87, 140483), (141, 86681), (147, 83143), (183, 66787), (203, 60207), (329, 37149), (427, 28623), (609, 20069), (987, 12383), (1281, 9541), (1363, 8967), (1421, 8601), (1769, 6909), (2303, 5307), (2867, 4263), (2989, 4089)]