21767392

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 44960832

約数和(自身を除く): 23193440

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 82, 94, 164, 188, 328, 353, 376, 656, 706, 752, 1312, 1412, 1504, 1927, 2824, 3854, 5648, 7708, 11296, 14473, 15416, 16591, 28946, 30832, 33182, 57892, 61664, 66364, 115784, 132728, 231568, 265456, 463136, 530912, 680231, 1360462, 2720924, 5441848, 10883696, 21767392]

約数ペア:

[(1, 21767392), (2, 10883696), (4, 5441848), (8, 2720924), (16, 1360462), (32, 680231), (41, 530912), (47, 463136), (82, 265456), (94, 231568), (164, 132728), (188, 115784), (328, 66364), (353, 61664), (376, 57892), (656, 33182), (706, 30832), (752, 28946), (1312, 16591), (1412, 15416), (1504, 14473), (1927, 11296), (2824, 7708), (3854, 5648)]