21068916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 37354764

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 41, 44, 51, 66, 68, 82, 102, 123, 132, 164, 187, 204, 229, 246, 374, 451, 458, 492, 561, 687, 697, 748, 902, 916, 1122, 1353, 1374, 1394, 1804, 2091, 2244, 2519, 2706, 2748, 2788, 3893, 4182, 5038, 5412, 7557, 7667, 7786, 8364, 9389, 10076, 11679, 15114, 15334, 15572, 18778, 23001, 23358, 28167, 30228, 30668, 37556, 42823, 46002, 46716, 56334, 85646, 92004, 103279, 112668, 128469, 159613, 171292, 206558, 256938, 309837, 319226, 413116, 478839, 513876, 619674, 638452, 957678, 1239348, 1755743, 1915356, 3511486, 5267229, 7022972, 10534458, 21068916]

約数ペア:

[(1, 21068916), (2, 10534458), (3, 7022972), (4, 5267229), (6, 3511486), (11, 1915356), (12, 1755743), (17, 1239348), (22, 957678), (33, 638452), (34, 619674), (41, 513876), (44, 478839), (51, 413116), (66, 319226), (68, 309837), (82, 256938), (102, 206558), (123, 171292), (132, 159613), (164, 128469), (187, 112668), (204, 103279), (229, 92004), (246, 85646), (374, 56334), (451, 46716), (458, 46002), (492, 42823), (561, 37556), (687, 30668), (697, 30228), (748, 28167), (902, 23358), (916, 23001), (1122, 18778), (1353, 15572), (1374, 15334), (1394, 15114), (1804, 11679), (2091, 10076), (2244, 9389), (2519, 8364), (2706, 7786), (2748, 7667), (2788, 7557), (3893, 5412), (4182, 5038)]