21765192

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 56453760

約数和(自身を除く): 34688568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 71, 106, 142, 159, 212, 213, 241, 284, 318, 424, 426, 482, 568, 636, 723, 852, 964, 1272, 1446, 1704, 1928, 2892, 3763, 5784, 7526, 11289, 12773, 15052, 17111, 22578, 25546, 30104, 34222, 38319, 45156, 51092, 51333, 68444, 76638, 90312, 102184, 102666, 136888, 153276, 205332, 306552, 410664, 906883, 1813766, 2720649, 3627532, 5441298, 7255064, 10882596, 21765192]

約数ペア:

[(1, 21765192), (2, 10882596), (3, 7255064), (4, 5441298), (6, 3627532), (8, 2720649), (12, 1813766), (24, 906883), (53, 410664), (71, 306552), (106, 205332), (142, 153276), (159, 136888), (212, 102666), (213, 102184), (241, 90312), (284, 76638), (318, 68444), (424, 51333), (426, 51092), (482, 45156), (568, 38319), (636, 34222), (723, 30104), (852, 25546), (964, 22578), (1272, 17111), (1446, 15052), (1704, 12773), (1928, 11289), (2892, 7526), (3763, 5784)]