21112245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 47253888

約数和(自身を除く): 26141643

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 567, 677, 693, 891, 945, 1155, 1485, 2031, 2079, 2835, 3385, 3465, 4455, 4739, 6093, 6237, 7447, 10155, 10395, 14217, 18279, 22341, 23695, 30465, 31185, 37235, 42651, 52129, 54837, 67023, 71085, 91395, 111705, 127953, 156387, 201069, 213255, 260645, 274185, 335115, 383859, 469161, 603207, 639765, 781935, 1005345, 1407483, 1919295, 2345805, 3016035, 4222449, 7037415, 21112245]

約数ペア:

[(1, 21112245), (3, 7037415), (5, 4222449), (7, 3016035), (9, 2345805), (11, 1919295), (15, 1407483), (21, 1005345), (27, 781935), (33, 639765), (35, 603207), (45, 469161), (55, 383859), (63, 335115), (77, 274185), (81, 260645), (99, 213255), (105, 201069), (135, 156387), (165, 127953), (189, 111705), (231, 91395), (297, 71085), (315, 67023), (385, 54837), (405, 52129), (495, 42651), (567, 37235), (677, 31185), (693, 30465), (891, 23695), (945, 22341), (1155, 18279), (1485, 14217), (2031, 10395), (2079, 10155), (2835, 7447), (3385, 6237), (3465, 6093), (4455, 4739)]