21127008

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 42981792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 149, 168, 211, 224, 298, 336, 422, 447, 596, 633, 672, 844, 894, 1043, 1192, 1266, 1477, 1688, 1788, 2086, 2384, 2532, 2954, 3129, 3376, 3576, 4172, 4431, 4768, 5064, 5908, 6258, 6752, 7152, 8344, 8862, 10128, 11816, 12516, 14304, 16688, 17724, 20256, 23632, 25032, 31439, 33376, 35448, 47264, 50064, 62878, 70896, 94317, 100128, 125756, 141792, 188634, 220073, 251512, 377268, 440146, 503024, 660219, 754536, 880292, 1006048, 1320438, 1509072, 1760584, 2640876, 3018144, 3521168, 5281752, 7042336, 10563504, 21127008]

約数ペア:

[(1, 21127008), (2, 10563504), (3, 7042336), (4, 5281752), (6, 3521168), (7, 3018144), (8, 2640876), (12, 1760584), (14, 1509072), (16, 1320438), (21, 1006048), (24, 880292), (28, 754536), (32, 660219), (42, 503024), (48, 440146), (56, 377268), (84, 251512), (96, 220073), (112, 188634), (149, 141792), (168, 125756), (211, 100128), (224, 94317), (298, 70896), (336, 62878), (422, 50064), (447, 47264), (596, 35448), (633, 33376), (672, 31439), (844, 25032), (894, 23632), (1043, 20256), (1192, 17724), (1266, 16688), (1477, 14304), (1688, 12516), (1788, 11816), (2086, 10128), (2384, 8862), (2532, 8344), (2954, 7152), (3129, 6752), (3376, 6258), (3576, 5908), (4172, 5064), (4431, 4768)]