21868425

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1171}}^1$

素因数の和:1270

約数の個数: 36

約数和(自身を含む): 39674544

約数和(自身を除く): 17806119

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1171, 1245, 2075, 3513, 3735, 5855, 6225, 10539, 17565, 18675, 29275, 52695, 87825, 97193, 263475, 291579, 485965, 874737, 1457895, 2429825, 4373685, 7289475, 21868425]

約数ペア:

[(1, 21868425), (3, 7289475), (5, 4373685), (9, 2429825), (15, 1457895), (25, 874737), (45, 485965), (75, 291579), (83, 263475), (225, 97193), (249, 87825), (415, 52695), (747, 29275), (1171, 18675), (1245, 17565), (2075, 10539), (3513, 6225), (3735, 5855)]