21405312

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1093}}^1$

素因数の和:1130

約数の個数: 96

約数和(自身を含む): 65278980

約数和(自身を除く): 43873668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 272, 288, 306, 384, 408, 544, 576, 612, 816, 1088, 1093, 1152, 1224, 1632, 2176, 2186, 2448, 3264, 3279, 4372, 4896, 6528, 6558, 8744, 9792, 9837, 13116, 17488, 18581, 19584, 19674, 26232, 34976, 37162, 39348, 52464, 55743, 69952, 74324, 78696, 104928, 111486, 139904, 148648, 157392, 167229, 209856, 222972, 297296, 314784, 334458, 419712, 445944, 594592, 629568, 668916, 891888, 1189184, 1259136, 1337832, 1783776, 2378368, 2675664, 3567552, 5351328, 7135104, 10702656, 21405312]

約数ペア:

[(1, 21405312), (2, 10702656), (3, 7135104), (4, 5351328), (6, 3567552), (8, 2675664), (9, 2378368), (12, 1783776), (16, 1337832), (17, 1259136), (18, 1189184), (24, 891888), (32, 668916), (34, 629568), (36, 594592), (48, 445944), (51, 419712), (64, 334458), (68, 314784), (72, 297296), (96, 222972), (102, 209856), (128, 167229), (136, 157392), (144, 148648), (153, 139904), (192, 111486), (204, 104928), (272, 78696), (288, 74324), (306, 69952), (384, 55743), (408, 52464), (544, 39348), (576, 37162), (612, 34976), (816, 26232), (1088, 19674), (1093, 19584), (1152, 18581), (1224, 17488), (1632, 13116), (2176, 9837), (2186, 9792), (2448, 8744), (3264, 6558), (3279, 6528), (4372, 4896)]