21578424

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 64022400

約数和(自身を除く): 42443976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 59, 84, 98, 118, 147, 168, 177, 196, 236, 294, 311, 354, 392, 413, 472, 588, 622, 708, 826, 933, 1176, 1239, 1244, 1416, 1652, 1866, 2177, 2478, 2488, 2891, 3304, 3732, 4354, 4956, 5782, 6531, 7464, 8673, 8708, 9912, 11564, 13062, 15239, 17346, 17416, 18349, 23128, 26124, 30478, 34692, 36698, 45717, 52248, 55047, 60956, 69384, 73396, 91434, 110094, 121912, 128443, 146792, 182868, 220188, 256886, 365736, 385329, 440376, 513772, 770658, 899101, 1027544, 1541316, 1798202, 2697303, 3082632, 3596404, 5394606, 7192808, 10789212, 21578424]

約数ペア:

[(1, 21578424), (2, 10789212), (3, 7192808), (4, 5394606), (6, 3596404), (7, 3082632), (8, 2697303), (12, 1798202), (14, 1541316), (21, 1027544), (24, 899101), (28, 770658), (42, 513772), (49, 440376), (56, 385329), (59, 365736), (84, 256886), (98, 220188), (118, 182868), (147, 146792), (168, 128443), (177, 121912), (196, 110094), (236, 91434), (294, 73396), (311, 69384), (354, 60956), (392, 55047), (413, 52248), (472, 45717), (588, 36698), (622, 34692), (708, 30478), (826, 26124), (933, 23128), (1176, 18349), (1239, 17416), (1244, 17346), (1416, 15239), (1652, 13062), (1866, 11564), (2177, 9912), (2478, 8708), (2488, 8673), (2891, 7464), (3304, 6531), (3732, 5782), (4354, 4956)]