21536368

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5197}}^1$

素因数の和:5249

約数の個数: 40

約数和(自身を含む): 48985952

約数和(自身を除く): 27449584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5197, 10394, 20788, 36379, 41576, 72758, 83152, 145516, 192289, 291032, 384578, 582064, 769156, 1346023, 1538312, 2692046, 3076624, 5384092, 10768184, 21536368]

約数ペア:

[(1, 21536368), (2, 10768184), (4, 5384092), (7, 3076624), (8, 2692046), (14, 1538312), (16, 1346023), (28, 769156), (37, 582064), (56, 384578), (74, 291032), (112, 192289), (148, 145516), (259, 83152), (296, 72758), (518, 41576), (592, 36379), (1036, 20788), (2072, 10394), (4144, 5197)]