21034752

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 57027600

約数和(自身を除く): 35992848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 449, 488, 732, 768, 898, 976, 1347, 1464, 1796, 1952, 2694, 2928, 3592, 3904, 5388, 5856, 7184, 7808, 10776, 11712, 14368, 15616, 21552, 23424, 27389, 28736, 43104, 46848, 54778, 57472, 82167, 86208, 109556, 114944, 164334, 172416, 219112, 328668, 344832, 438224, 657336, 876448, 1314672, 1752896, 2629344, 3505792, 5258688, 7011584, 10517376, 21034752]

約数ペア:

[(1, 21034752), (2, 10517376), (3, 7011584), (4, 5258688), (6, 3505792), (8, 2629344), (12, 1752896), (16, 1314672), (24, 876448), (32, 657336), (48, 438224), (61, 344832), (64, 328668), (96, 219112), (122, 172416), (128, 164334), (183, 114944), (192, 109556), (244, 86208), (256, 82167), (366, 57472), (384, 54778), (449, 46848), (488, 43104), (732, 28736), (768, 27389), (898, 23424), (976, 21552), (1347, 15616), (1464, 14368), (1796, 11712), (1952, 10776), (2694, 7808), (2928, 7184), (3592, 5856), (3904, 5388)]