21497364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3709}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 64821120

約数和(自身を除く): 43323756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3709, 5796, 7418, 11127, 14836, 22254, 25963, 33381, 44508, 51926, 66762, 77889, 85307, 103852, 133524, 155778, 170614, 233667, 255921, 311556, 341228, 467334, 511842, 597149, 767763, 934668, 1023684, 1194298, 1535526, 1791447, 2388596, 3071052, 3582894, 5374341, 7165788, 10748682, 21497364]

約数ペア:

[(1, 21497364), (2, 10748682), (3, 7165788), (4, 5374341), (6, 3582894), (7, 3071052), (9, 2388596), (12, 1791447), (14, 1535526), (18, 1194298), (21, 1023684), (23, 934668), (28, 767763), (36, 597149), (42, 511842), (46, 467334), (63, 341228), (69, 311556), (84, 255921), (92, 233667), (126, 170614), (138, 155778), (161, 133524), (207, 103852), (252, 85307), (276, 77889), (322, 66762), (414, 51926), (483, 44508), (644, 33381), (828, 25963), (966, 22254), (1449, 14836), (1932, 11127), (2898, 7418), (3709, 5796)]