21585850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3019}}^1$

素因数の和:3055

約数の個数: 48

約数和(自身を含む): 47184480

約数和(自身を除く): 25598630

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3019, 3575, 6038, 7150, 15095, 30190, 33209, 39247, 66418, 75475, 78494, 150950, 166045, 196235, 332090, 392470, 431717, 830225, 863434, 981175, 1660450, 1962350, 2158585, 4317170, 10792925, 21585850]

約数ペア:

[(1, 21585850), (2, 10792925), (5, 4317170), (10, 2158585), (11, 1962350), (13, 1660450), (22, 981175), (25, 863434), (26, 830225), (50, 431717), (55, 392470), (65, 332090), (110, 196235), (130, 166045), (143, 150950), (275, 78494), (286, 75475), (325, 66418), (550, 39247), (650, 33209), (715, 30190), (1430, 15095), (3019, 7150), (3575, 6038)]