21465152

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 56

約数和(自身を含む): 45765720

約数和(自身を除く): 24300568

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 136, 181, 218, 272, 362, 436, 544, 724, 872, 1088, 1448, 1744, 1853, 2896, 3077, 3488, 3706, 5792, 6154, 6976, 7412, 11584, 12308, 14824, 19729, 24616, 29648, 39458, 49232, 59296, 78916, 98464, 118592, 157832, 196928, 315664, 335393, 631328, 670786, 1262656, 1341572, 2683144, 5366288, 10732576, 21465152]

約数ペア:

[(1, 21465152), (2, 10732576), (4, 5366288), (8, 2683144), (16, 1341572), (17, 1262656), (32, 670786), (34, 631328), (64, 335393), (68, 315664), (109, 196928), (136, 157832), (181, 118592), (218, 98464), (272, 78916), (362, 59296), (436, 49232), (544, 39458), (724, 29648), (872, 24616), (1088, 19729), (1448, 14824), (1744, 12308), (1853, 11584), (2896, 7412), (3077, 6976), (3488, 6154), (3706, 5792)]