21526008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3463}}^1$

素因数の和:3516

約数の個数: 64

約数和(自身を含む): 63183360

約数和(自身を除く): 41657352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3463, 6216, 6926, 10389, 13852, 20778, 24241, 27704, 41556, 48482, 72723, 83112, 96964, 128131, 145446, 193928, 256262, 290892, 384393, 512524, 581784, 768786, 896917, 1025048, 1537572, 1793834, 2690751, 3075144, 3587668, 5381502, 7175336, 10763004, 21526008]

約数ペア:

[(1, 21526008), (2, 10763004), (3, 7175336), (4, 5381502), (6, 3587668), (7, 3075144), (8, 2690751), (12, 1793834), (14, 1537572), (21, 1025048), (24, 896917), (28, 768786), (37, 581784), (42, 512524), (56, 384393), (74, 290892), (84, 256262), (111, 193928), (148, 145446), (168, 128131), (222, 96964), (259, 83112), (296, 72723), (444, 48482), (518, 41556), (777, 27704), (888, 24241), (1036, 20778), (1554, 13852), (2072, 10389), (3108, 6926), (3463, 6216)]