21044844

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 56963088

約数和(自身を除く): 35918244

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 137, 153, 204, 251, 274, 306, 411, 502, 548, 612, 753, 822, 1004, 1233, 1506, 1644, 2259, 2329, 2466, 3012, 4267, 4518, 4658, 4932, 6987, 8534, 9036, 9316, 12801, 13974, 17068, 20961, 25602, 27948, 34387, 38403, 41922, 51204, 68774, 76806, 83844, 103161, 137548, 153612, 206322, 309483, 412644, 584579, 618966, 1169158, 1237932, 1753737, 2338316, 3507474, 5261211, 7014948, 10522422, 21044844]

約数ペア:

[(1, 21044844), (2, 10522422), (3, 7014948), (4, 5261211), (6, 3507474), (9, 2338316), (12, 1753737), (17, 1237932), (18, 1169158), (34, 618966), (36, 584579), (51, 412644), (68, 309483), (102, 206322), (137, 153612), (153, 137548), (204, 103161), (251, 83844), (274, 76806), (306, 68774), (411, 51204), (502, 41922), (548, 38403), (612, 34387), (753, 27948), (822, 25602), (1004, 20961), (1233, 17068), (1506, 13974), (1644, 12801), (2259, 9316), (2329, 9036), (2466, 8534), (3012, 6987), (4267, 4932), (4518, 4658)]