21943328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 52799040

約数和(自身を除く): 30855712

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 193, 209, 272, 304, 323, 352, 374, 386, 418, 544, 608, 646, 748, 772, 836, 1292, 1496, 1544, 1672, 2123, 2584, 2992, 3088, 3281, 3344, 3553, 3667, 4246, 5168, 5984, 6176, 6562, 6688, 7106, 7334, 8492, 10336, 13124, 14212, 14668, 16984, 26248, 28424, 29336, 33968, 36091, 40337, 52496, 56848, 58672, 62339, 67936, 72182, 80674, 104992, 113696, 117344, 124678, 144364, 161348, 249356, 288728, 322696, 498712, 577456, 645392, 685729, 997424, 1154912, 1290784, 1371458, 1994848, 2742916, 5485832, 10971664, 21943328]

約数ペア:

[(1, 21943328), (2, 10971664), (4, 5485832), (8, 2742916), (11, 1994848), (16, 1371458), (17, 1290784), (19, 1154912), (22, 997424), (32, 685729), (34, 645392), (38, 577456), (44, 498712), (68, 322696), (76, 288728), (88, 249356), (136, 161348), (152, 144364), (176, 124678), (187, 117344), (193, 113696), (209, 104992), (272, 80674), (304, 72182), (323, 67936), (352, 62339), (374, 58672), (386, 56848), (418, 52496), (544, 40337), (608, 36091), (646, 33968), (748, 29336), (772, 28424), (836, 26248), (1292, 16984), (1496, 14668), (1544, 14212), (1672, 13124), (2123, 10336), (2584, 8492), (2992, 7334), (3088, 7106), (3281, 6688), (3344, 6562), (3553, 6176), (3667, 5984), (4246, 5168)]