21530432

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 112

約数和(自身を含む): 56619648

約数和(自身を除く): 35089216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 136, 154, 176, 187, 224, 238, 257, 272, 308, 352, 374, 448, 476, 514, 544, 616, 704, 748, 952, 1028, 1088, 1232, 1309, 1496, 1799, 1904, 2056, 2464, 2618, 2827, 2992, 3598, 3808, 4112, 4369, 4928, 5236, 5654, 5984, 7196, 7616, 8224, 8738, 10472, 11308, 11968, 14392, 16448, 17476, 19789, 20944, 22616, 28784, 30583, 34952, 39578, 41888, 45232, 48059, 57568, 61166, 69904, 79156, 83776, 90464, 96118, 115136, 122332, 139808, 158312, 180928, 192236, 244664, 279616, 316624, 336413, 384472, 489328, 633248, 672826, 768944, 978656, 1266496, 1345652, 1537888, 1957312, 2691304, 3075776, 5382608, 10765216, 21530432]

約数ペア:

[(1, 21530432), (2, 10765216), (4, 5382608), (7, 3075776), (8, 2691304), (11, 1957312), (14, 1537888), (16, 1345652), (17, 1266496), (22, 978656), (28, 768944), (32, 672826), (34, 633248), (44, 489328), (56, 384472), (64, 336413), (68, 316624), (77, 279616), (88, 244664), (112, 192236), (119, 180928), (136, 158312), (154, 139808), (176, 122332), (187, 115136), (224, 96118), (238, 90464), (257, 83776), (272, 79156), (308, 69904), (352, 61166), (374, 57568), (448, 48059), (476, 45232), (514, 41888), (544, 39578), (616, 34952), (704, 30583), (748, 28784), (952, 22616), (1028, 20944), (1088, 19789), (1232, 17476), (1309, 16448), (1496, 14392), (1799, 11968), (1904, 11308), (2056, 10472), (2464, 8738), (2618, 8224), (2827, 7616), (2992, 7196), (3598, 5984), (3808, 5654), (4112, 5236), (4369, 4928)]