21137004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 63651840

約数和(自身を除く): 42514836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 84, 108, 126, 146, 189, 219, 252, 292, 378, 383, 438, 511, 657, 756, 766, 876, 1022, 1149, 1314, 1532, 1533, 1971, 2044, 2298, 2628, 2681, 3066, 3447, 3942, 4596, 4599, 5362, 6132, 6894, 7884, 8043, 9198, 10341, 10724, 13788, 13797, 16086, 18396, 20682, 24129, 27594, 27959, 32172, 41364, 48258, 55188, 55918, 72387, 83877, 96516, 111836, 144774, 167754, 195713, 251631, 289548, 335508, 391426, 503262, 587139, 754893, 782852, 1006524, 1174278, 1509786, 1761417, 2348556, 3019572, 3522834, 5284251, 7045668, 10568502, 21137004]

約数ペア:

[(1, 21137004), (2, 10568502), (3, 7045668), (4, 5284251), (6, 3522834), (7, 3019572), (9, 2348556), (12, 1761417), (14, 1509786), (18, 1174278), (21, 1006524), (27, 782852), (28, 754893), (36, 587139), (42, 503262), (54, 391426), (63, 335508), (73, 289548), (84, 251631), (108, 195713), (126, 167754), (146, 144774), (189, 111836), (219, 96516), (252, 83877), (292, 72387), (378, 55918), (383, 55188), (438, 48258), (511, 41364), (657, 32172), (756, 27959), (766, 27594), (876, 24129), (1022, 20682), (1149, 18396), (1314, 16086), (1532, 13797), (1533, 13788), (1971, 10724), (2044, 10341), (2298, 9198), (2628, 8043), (2681, 7884), (3066, 6894), (3447, 6132), (3942, 5362), (4596, 4599)]