21352884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 96

約数和(自身を含む): 63544320

約数和(自身を除く): 42191436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 19, 21, 28, 34, 38, 42, 51, 57, 68, 76, 84, 102, 114, 119, 133, 204, 228, 238, 266, 323, 357, 399, 476, 532, 646, 714, 787, 798, 969, 1292, 1428, 1574, 1596, 1938, 2261, 2361, 3148, 3876, 4522, 4722, 5509, 6783, 9044, 9444, 11018, 13379, 13566, 14953, 16527, 22036, 26758, 27132, 29906, 33054, 40137, 44859, 53516, 59812, 66108, 80274, 89718, 93653, 104671, 160548, 179436, 187306, 209342, 254201, 280959, 314013, 374612, 418684, 508402, 561918, 628026, 762603, 1016804, 1123836, 1256052, 1525206, 1779407, 3050412, 3558814, 5338221, 7117628, 10676442, 21352884]

約数ペア:

[(1, 21352884), (2, 10676442), (3, 7117628), (4, 5338221), (6, 3558814), (7, 3050412), (12, 1779407), (14, 1525206), (17, 1256052), (19, 1123836), (21, 1016804), (28, 762603), (34, 628026), (38, 561918), (42, 508402), (51, 418684), (57, 374612), (68, 314013), (76, 280959), (84, 254201), (102, 209342), (114, 187306), (119, 179436), (133, 160548), (204, 104671), (228, 93653), (238, 89718), (266, 80274), (323, 66108), (357, 59812), (399, 53516), (476, 44859), (532, 40137), (646, 33054), (714, 29906), (787, 27132), (798, 26758), (969, 22036), (1292, 16527), (1428, 14953), (1574, 13566), (1596, 13379), (1938, 11018), (2261, 9444), (2361, 9044), (3148, 6783), (3876, 5509), (4522, 4722)]