21701724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 39987876

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 102, 114, 132, 187, 204, 209, 228, 323, 374, 418, 509, 561, 627, 646, 748, 836, 969, 1018, 1122, 1254, 1292, 1527, 1938, 2036, 2244, 2508, 3054, 3553, 3876, 5599, 6108, 7106, 8653, 9671, 10659, 11198, 14212, 16797, 17306, 19342, 21318, 22396, 25959, 29013, 33594, 34612, 38684, 42636, 51918, 58026, 67188, 95183, 103836, 106381, 116052, 164407, 190366, 212762, 285549, 319143, 328814, 380732, 425524, 493221, 571098, 638286, 657628, 986442, 1142196, 1276572, 1808477, 1972884, 3616954, 5425431, 7233908, 10850862, 21701724]

約数ペア:

[(1, 21701724), (2, 10850862), (3, 7233908), (4, 5425431), (6, 3616954), (11, 1972884), (12, 1808477), (17, 1276572), (19, 1142196), (22, 986442), (33, 657628), (34, 638286), (38, 571098), (44, 493221), (51, 425524), (57, 380732), (66, 328814), (68, 319143), (76, 285549), (102, 212762), (114, 190366), (132, 164407), (187, 116052), (204, 106381), (209, 103836), (228, 95183), (323, 67188), (374, 58026), (418, 51918), (509, 42636), (561, 38684), (627, 34612), (646, 33594), (748, 29013), (836, 25959), (969, 22396), (1018, 21318), (1122, 19342), (1254, 17306), (1292, 16797), (1527, 14212), (1938, 11198), (2036, 10659), (2244, 9671), (2508, 8653), (3054, 7106), (3553, 6108), (3876, 5599)]