21769695

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 40084320

約数和(自身を除く): 18314625

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 73, 135, 141, 219, 235, 365, 423, 657, 705, 1095, 1269, 1971, 2115, 2209, 3285, 3431, 6345, 6627, 9855, 10293, 11045, 17155, 19881, 30879, 33135, 51465, 59643, 92637, 99405, 154395, 161257, 298215, 463185, 483771, 806285, 1451313, 2418855, 4353939, 7256565, 21769695]

約数ペア:

[(1, 21769695), (3, 7256565), (5, 4353939), (9, 2418855), (15, 1451313), (27, 806285), (45, 483771), (47, 463185), (73, 298215), (135, 161257), (141, 154395), (219, 99405), (235, 92637), (365, 59643), (423, 51465), (657, 33135), (705, 30879), (1095, 19881), (1269, 17155), (1971, 11045), (2115, 10293), (2209, 9855), (3285, 6627), (3431, 6345)]