21352068

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 36436572

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 139, 153, 204, 251, 278, 306, 417, 502, 556, 612, 753, 834, 1004, 1251, 1506, 1668, 2259, 2363, 2502, 3012, 4267, 4518, 4726, 5004, 7089, 8534, 9036, 9452, 12801, 14178, 17068, 21267, 25602, 28356, 34889, 38403, 42534, 51204, 69778, 76806, 85068, 104667, 139556, 153612, 209334, 314001, 418668, 593113, 628002, 1186226, 1256004, 1779339, 2372452, 3558678, 5338017, 7117356, 10676034, 21352068]

約数ペア:

[(1, 21352068), (2, 10676034), (3, 7117356), (4, 5338017), (6, 3558678), (9, 2372452), (12, 1779339), (17, 1256004), (18, 1186226), (34, 628002), (36, 593113), (51, 418668), (68, 314001), (102, 209334), (139, 153612), (153, 139556), (204, 104667), (251, 85068), (278, 76806), (306, 69778), (417, 51204), (502, 42534), (556, 38403), (612, 34889), (753, 28356), (834, 25602), (1004, 21267), (1251, 17068), (1506, 14178), (1668, 12801), (2259, 9452), (2363, 9036), (2502, 8534), (3012, 7089), (4267, 5004), (4518, 4726)]