21284115

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 14338605

約数列:

[1, 3, 5, 15, 29, 87, 113, 145, 339, 433, 435, 565, 1299, 1695, 2165, 3277, 6495, 9831, 12557, 16385, 37671, 48929, 49155, 62785, 146787, 188355, 244645, 733935, 1418941, 4256823, 7094705, 21284115]

約数ペア:

[(1, 21284115), (3, 7094705), (5, 4256823), (15, 1418941), (29, 733935), (87, 244645), (113, 188355), (145, 146787), (339, 62785), (433, 49155), (435, 48929), (565, 37671), (1299, 16385), (1695, 12557), (2165, 9831), (3277, 6495)]