21608904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{52963}}^1$

素因数の和:52989

約数の個数: 32

約数和(自身を含む): 57201120

約数和(自身を除く): 35592216

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 52963, 105926, 158889, 211852, 317778, 423704, 635556, 900371, 1271112, 1800742, 2701113, 3601484, 5402226, 7202968, 10804452, 21608904]

約数ペア:

[(1, 21608904), (2, 10804452), (3, 7202968), (4, 5402226), (6, 3601484), (8, 2701113), (12, 1800742), (17, 1271112), (24, 900371), (34, 635556), (51, 423704), (68, 317778), (102, 211852), (136, 158889), (204, 105926), (408, 52963)]