21455712

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 65923200

約数和(自身を除く): 44467488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1307, 1368, 1824, 2052, 2614, 2736, 3921, 4104, 5228, 5472, 7842, 8208, 10456, 11763, 15684, 16416, 20912, 23526, 24833, 31368, 35289, 41824, 47052, 49666, 62736, 70578, 74499, 94104, 99332, 125472, 141156, 148998, 188208, 198664, 223497, 282312, 297996, 376416, 397328, 446994, 564624, 595992, 670491, 794656, 893988, 1129248, 1191984, 1340982, 1787976, 2383968, 2681964, 3575952, 5363928, 7151904, 10727856, 21455712]

約数ペア:

[(1, 21455712), (2, 10727856), (3, 7151904), (4, 5363928), (6, 3575952), (8, 2681964), (9, 2383968), (12, 1787976), (16, 1340982), (18, 1191984), (19, 1129248), (24, 893988), (27, 794656), (32, 670491), (36, 595992), (38, 564624), (48, 446994), (54, 397328), (57, 376416), (72, 297996), (76, 282312), (96, 223497), (108, 198664), (114, 188208), (144, 148998), (152, 141156), (171, 125472), (216, 99332), (228, 94104), (288, 74499), (304, 70578), (342, 62736), (432, 49666), (456, 47052), (513, 41824), (608, 35289), (684, 31368), (864, 24833), (912, 23526), (1026, 20912), (1307, 16416), (1368, 15684), (1824, 11763), (2052, 10456), (2614, 8208), (2736, 7842), (3921, 5472), (4104, 5228)]