21105048

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 36264552

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1493, 1767, 2356, 2986, 3534, 4479, 4712, 5972, 7068, 8958, 11944, 14136, 17916, 28367, 35832, 46283, 56734, 85101, 92566, 113468, 138849, 170202, 185132, 226936, 277698, 340404, 370264, 555396, 680808, 879377, 1110792, 1758754, 2638131, 3517508, 5276262, 7035016, 10552524, 21105048]

約数ペア:

[(1, 21105048), (2, 10552524), (3, 7035016), (4, 5276262), (6, 3517508), (8, 2638131), (12, 1758754), (19, 1110792), (24, 879377), (31, 680808), (38, 555396), (57, 370264), (62, 340404), (76, 277698), (93, 226936), (114, 185132), (124, 170202), (152, 138849), (186, 113468), (228, 92566), (248, 85101), (372, 56734), (456, 46283), (589, 35832), (744, 28367), (1178, 17916), (1493, 14136), (1767, 11944), (2356, 8958), (2986, 7068), (3534, 5972), (4479, 4712)]