21152012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 46041408

約数和(自身を除く): 24889396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1036, 1201, 1258, 2402, 2516, 4403, 4804, 8407, 8806, 16814, 17612, 20417, 33628, 40834, 44437, 81668, 88874, 142919, 177748, 285838, 311059, 571676, 622118, 755429, 1244236, 1510858, 3021716, 5288003, 10576006, 21152012]

約数ペア:

[(1, 21152012), (2, 10576006), (4, 5288003), (7, 3021716), (14, 1510858), (17, 1244236), (28, 755429), (34, 622118), (37, 571676), (68, 311059), (74, 285838), (119, 177748), (148, 142919), (238, 88874), (259, 81668), (476, 44437), (518, 40834), (629, 33628), (1036, 20417), (1201, 17612), (1258, 16814), (2402, 8806), (2516, 8407), (4403, 4804)]