21000359592

素因数分解:

$2^3\times 3^3\times {\mathrm{311}}^1\times {\mathrm{312617}}^1$

素因数の和:312943

約数の個数: 64

約数和(自身を含む): 58522089600

約数和(自身を除く): 37521730008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 311, 622, 933, 1244, 1866, 2488, 2799, 3732, 5598, 7464, 8397, 11196, 16794, 22392, 33588, 67176, 312617, 625234, 937851, 1250468, 1875702, 2500936, 2813553, 3751404, 5627106, 7502808, 8440659, 11254212, 16881318, 22508424, 33762636, 67525272, 97223887, 194447774, 291671661, 388895548, 583343322, 777791096, 875014983, 1166686644, 1750029966, 2333373288, 2625044949, 3500059932, 5250089898, 7000119864, 10500179796, 21000359592]

約数ペア:

[(1, 21000359592), (2, 10500179796), (3, 7000119864), (4, 5250089898), (6, 3500059932), (8, 2625044949), (9, 2333373288), (12, 1750029966), (18, 1166686644), (24, 875014983), (27, 777791096), (36, 583343322), (54, 388895548), (72, 291671661), (108, 194447774), (216, 97223887), (311, 67525272), (622, 33762636), (933, 22508424), (1244, 16881318), (1866, 11254212), (2488, 8440659), (2799, 7502808), (3732, 5627106), (5598, 3751404), (7464, 2813553), (8397, 2500936), (11196, 1875702), (16794, 1250468), (22392, 937851), (33588, 625234), (67176, 312617)]