21528528

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3769}}^1$

素因数の和:3804

約数の個数: 80

約数和(自身を含む): 67317120

約数和(自身を除く): 45788592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 119, 136, 168, 204, 238, 272, 336, 357, 408, 476, 714, 816, 952, 1428, 1904, 2856, 3769, 5712, 7538, 11307, 15076, 22614, 26383, 30152, 45228, 52766, 60304, 64073, 79149, 90456, 105532, 128146, 158298, 180912, 192219, 211064, 256292, 316596, 384438, 422128, 448511, 512584, 633192, 768876, 897022, 1025168, 1266384, 1345533, 1537752, 1794044, 2691066, 3075504, 3588088, 5382132, 7176176, 10764264, 21528528]

約数ペア:

[(1, 21528528), (2, 10764264), (3, 7176176), (4, 5382132), (6, 3588088), (7, 3075504), (8, 2691066), (12, 1794044), (14, 1537752), (16, 1345533), (17, 1266384), (21, 1025168), (24, 897022), (28, 768876), (34, 633192), (42, 512584), (48, 448511), (51, 422128), (56, 384438), (68, 316596), (84, 256292), (102, 211064), (112, 192219), (119, 180912), (136, 158298), (168, 128146), (204, 105532), (238, 90456), (272, 79149), (336, 64073), (357, 60304), (408, 52766), (476, 45228), (714, 30152), (816, 26383), (952, 22614), (1428, 15076), (1904, 11307), (2856, 7538), (3769, 5712)]