21395616

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20261}}^1$

素因数の和:20285

約数の個数: 48

約数和(自身を含む): 61272288

約数和(自身を除く): 39876672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20261, 40522, 60783, 81044, 121566, 162088, 222871, 243132, 324176, 445742, 486264, 648352, 668613, 891484, 972528, 1337226, 1782968, 1945056, 2674452, 3565936, 5348904, 7131872, 10697808, 21395616]

約数ペア:

[(1, 21395616), (2, 10697808), (3, 7131872), (4, 5348904), (6, 3565936), (8, 2674452), (11, 1945056), (12, 1782968), (16, 1337226), (22, 972528), (24, 891484), (32, 668613), (33, 648352), (44, 486264), (48, 445742), (66, 324176), (88, 243132), (96, 222871), (132, 162088), (176, 121566), (264, 81044), (352, 60783), (528, 40522), (1056, 20261)]