21544245

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5503}}^1$

素因数の和:5546

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 18084555

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5503, 16509, 27515, 49527, 82545, 148581, 159587, 247635, 478761, 742905, 797935, 1436283, 2393805, 4308849, 7181415, 21544245]

約数ペア:

[(1, 21544245), (3, 7181415), (5, 4308849), (9, 2393805), (15, 1436283), (27, 797935), (29, 742905), (45, 478761), (87, 247635), (135, 159587), (145, 148581), (261, 82545), (435, 49527), (783, 27515), (1305, 16509), (3915, 5503)]