21066384

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4261}}^1$

素因数の和:4375

約数の個数: 40

約数和(自身を含む): 54962752

約数和(自身を除く): 33896368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4261, 4944, 8522, 12783, 17044, 25566, 34088, 51132, 68176, 102264, 204528, 438883, 877766, 1316649, 1755532, 2633298, 3511064, 5266596, 7022128, 10533192, 21066384]

約数ペア:

[(1, 21066384), (2, 10533192), (3, 7022128), (4, 5266596), (6, 3511064), (8, 2633298), (12, 1755532), (16, 1316649), (24, 877766), (48, 438883), (103, 204528), (206, 102264), (309, 68176), (412, 51132), (618, 34088), (824, 25566), (1236, 17044), (1648, 12783), (2472, 8522), (4261, 4944)]