21022912

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 56

約数和(自身を含む): 44256960

約数和(自身を除く): 23234048

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 64, 94, 116, 188, 232, 241, 376, 464, 482, 752, 928, 964, 1363, 1504, 1856, 1928, 2726, 3008, 3856, 5452, 6989, 7712, 10904, 11327, 13978, 15424, 21808, 22654, 27956, 43616, 45308, 55912, 87232, 90616, 111824, 181232, 223648, 328483, 362464, 447296, 656966, 724928, 1313932, 2627864, 5255728, 10511456, 21022912]

約数ペア:

[(1, 21022912), (2, 10511456), (4, 5255728), (8, 2627864), (16, 1313932), (29, 724928), (32, 656966), (47, 447296), (58, 362464), (64, 328483), (94, 223648), (116, 181232), (188, 111824), (232, 90616), (241, 87232), (376, 55912), (464, 45308), (482, 43616), (752, 27956), (928, 22654), (964, 21808), (1363, 15424), (1504, 13978), (1856, 11327), (1928, 10904), (2726, 7712), (3008, 6989), (3856, 5452)]