21523656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 70732800

約数和(自身を除く): 49209144

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 56, 57, 66, 76, 77, 84, 88, 114, 132, 133, 152, 154, 168, 209, 228, 231, 264, 266, 308, 399, 418, 456, 462, 532, 613, 616, 627, 798, 836, 924, 1064, 1226, 1254, 1463, 1596, 1672, 1839, 1848, 2452, 2508, 2926, 3192, 3678, 4291, 4389, 4904, 5016, 5852, 6743, 7356, 8582, 8778, 11647, 11704, 12873, 13486, 14712, 17164, 17556, 20229, 23294, 25746, 26972, 34328, 34941, 35112, 40458, 46588, 47201, 51492, 53944, 69882, 80916, 81529, 93176, 94402, 102984, 128117, 139764, 141603, 161832, 163058, 188804, 244587, 256234, 279528, 283206, 326116, 377608, 384351, 489174, 512468, 566412, 652232, 768702, 896819, 978348, 1024936, 1132824, 1537404, 1793638, 1956696, 2690457, 3074808, 3587276, 5380914, 7174552, 10761828, 21523656]

約数ペア:

[(1, 21523656), (2, 10761828), (3, 7174552), (4, 5380914), (6, 3587276), (7, 3074808), (8, 2690457), (11, 1956696), (12, 1793638), (14, 1537404), (19, 1132824), (21, 1024936), (22, 978348), (24, 896819), (28, 768702), (33, 652232), (38, 566412), (42, 512468), (44, 489174), (56, 384351), (57, 377608), (66, 326116), (76, 283206), (77, 279528), (84, 256234), (88, 244587), (114, 188804), (132, 163058), (133, 161832), (152, 141603), (154, 139764), (168, 128117), (209, 102984), (228, 94402), (231, 93176), (264, 81529), (266, 80916), (308, 69882), (399, 53944), (418, 51492), (456, 47201), (462, 46588), (532, 40458), (613, 35112), (616, 34941), (627, 34328), (798, 26972), (836, 25746), (924, 23294), (1064, 20229), (1226, 17556), (1254, 17164), (1463, 14712), (1596, 13486), (1672, 12873), (1839, 11704), (1848, 11647), (2452, 8778), (2508, 8582), (2926, 7356), (3192, 6743), (3678, 5852), (4291, 5016), (4389, 4904)]