21369984

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 62424000

約数和(自身を除く): 41054016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 32, 38, 48, 57, 58, 64, 76, 87, 96, 101, 114, 116, 128, 152, 174, 192, 202, 228, 232, 303, 304, 348, 384, 404, 456, 464, 551, 606, 608, 696, 808, 912, 928, 1102, 1212, 1216, 1392, 1616, 1653, 1824, 1856, 1919, 2204, 2424, 2432, 2784, 2929, 3232, 3306, 3648, 3712, 3838, 4408, 4848, 5568, 5757, 5858, 6464, 6612, 7296, 7676, 8787, 8816, 9696, 11136, 11514, 11716, 12928, 13224, 15352, 17574, 17632, 19392, 23028, 23432, 26448, 30704, 35148, 35264, 38784, 46056, 46864, 52896, 55651, 61408, 70296, 70528, 92112, 93728, 105792, 111302, 122816, 140592, 166953, 184224, 187456, 211584, 222604, 245632, 281184, 333906, 368448, 374912, 445208, 562368, 667812, 736896, 890416, 1124736, 1335624, 1780832, 2671248, 3561664, 5342496, 7123328, 10684992, 21369984]

約数ペア:

[(1, 21369984), (2, 10684992), (3, 7123328), (4, 5342496), (6, 3561664), (8, 2671248), (12, 1780832), (16, 1335624), (19, 1124736), (24, 890416), (29, 736896), (32, 667812), (38, 562368), (48, 445208), (57, 374912), (58, 368448), (64, 333906), (76, 281184), (87, 245632), (96, 222604), (101, 211584), (114, 187456), (116, 184224), (128, 166953), (152, 140592), (174, 122816), (192, 111302), (202, 105792), (228, 93728), (232, 92112), (303, 70528), (304, 70296), (348, 61408), (384, 55651), (404, 52896), (456, 46864), (464, 46056), (551, 38784), (606, 35264), (608, 35148), (696, 30704), (808, 26448), (912, 23432), (928, 23028), (1102, 19392), (1212, 17632), (1216, 17574), (1392, 15352), (1616, 13224), (1653, 12928), (1824, 11716), (1856, 11514), (1919, 11136), (2204, 9696), (2424, 8816), (2432, 8787), (2784, 7676), (2929, 7296), (3232, 6612), (3306, 6464), (3648, 5858), (3712, 5757), (3838, 5568), (4408, 4848)]