21358512

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{1009}}^1$

素因数の和:1040

約数の個数: 120

約数和(自身を含む): 71386800

約数和(自身を除く): 50028288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1009, 1176, 1323, 1512, 1764, 2018, 2352, 2646, 3024, 3027, 3528, 4036, 5292, 6054, 7056, 7063, 8072, 9081, 10584, 12108, 14126, 16144, 18162, 21168, 21189, 24216, 27243, 28252, 36324, 42378, 48432, 49441, 54486, 56504, 63567, 72648, 84756, 98882, 108972, 113008, 127134, 145296, 148323, 169512, 190701, 197764, 217944, 254268, 296646, 339024, 381402, 395528, 435888, 444969, 508536, 593292, 762804, 791056, 889938, 1017072, 1186584, 1334907, 1525608, 1779876, 2373168, 2669814, 3051216, 3559752, 5339628, 7119504, 10679256, 21358512]

約数ペア:

[(1, 21358512), (2, 10679256), (3, 7119504), (4, 5339628), (6, 3559752), (7, 3051216), (8, 2669814), (9, 2373168), (12, 1779876), (14, 1525608), (16, 1334907), (18, 1186584), (21, 1017072), (24, 889938), (27, 791056), (28, 762804), (36, 593292), (42, 508536), (48, 444969), (49, 435888), (54, 395528), (56, 381402), (63, 339024), (72, 296646), (84, 254268), (98, 217944), (108, 197764), (112, 190701), (126, 169512), (144, 148323), (147, 145296), (168, 127134), (189, 113008), (196, 108972), (216, 98882), (252, 84756), (294, 72648), (336, 63567), (378, 56504), (392, 54486), (432, 49441), (441, 48432), (504, 42378), (588, 36324), (756, 28252), (784, 27243), (882, 24216), (1008, 21189), (1009, 21168), (1176, 18162), (1323, 16144), (1512, 14126), (1764, 12108), (2018, 10584), (2352, 9081), (2646, 8072), (3024, 7063), (3027, 7056), (3528, 6054), (4036, 5292)]