21102285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 14177715

約数列:

[1, 3, 5, 15, 29, 87, 139, 145, 349, 417, 435, 695, 1047, 1745, 2085, 4031, 5235, 10121, 12093, 20155, 30363, 48511, 50605, 60465, 145533, 151815, 242555, 727665, 1406819, 4220457, 7034095, 21102285]

約数ペア:

[(1, 21102285), (3, 7034095), (5, 4220457), (15, 1406819), (29, 727665), (87, 242555), (139, 151815), (145, 145533), (349, 60465), (417, 50605), (435, 48511), (695, 30363), (1047, 20155), (1745, 12093), (2085, 10121), (4031, 5235)]