21003584

素因数分解:

$2^6\times 7^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:463

約数の個数: 56

約数和(自身を含む): 48085248

約数和(自身を除く): 27081664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 173, 224, 271, 346, 448, 542, 692, 1084, 1211, 1384, 1897, 2168, 2422, 2768, 3794, 4336, 4844, 5536, 7588, 8672, 9688, 11072, 15176, 17344, 19376, 30352, 38752, 46883, 60704, 77504, 93766, 121408, 187532, 328181, 375064, 656362, 750128, 1312724, 1500256, 2625448, 3000512, 5250896, 10501792, 21003584]

約数ペア:

[(1, 21003584), (2, 10501792), (4, 5250896), (7, 3000512), (8, 2625448), (14, 1500256), (16, 1312724), (28, 750128), (32, 656362), (56, 375064), (64, 328181), (112, 187532), (173, 121408), (224, 93766), (271, 77504), (346, 60704), (448, 46883), (542, 38752), (692, 30352), (1084, 19376), (1211, 17344), (1384, 15176), (1897, 11072), (2168, 9688), (2422, 8672), (2768, 7588), (3794, 5536), (4336, 4844)]