21949788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43368612

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, 798, 809, 969, 1292, 1428, 1596, 1618, 1938, 2261, 2427, 3236, 3876, 4522, 4854, 5663, 6783, 9044, 9708, 11326, 13566, 13753, 15371, 16989, 22652, 27132, 27506, 30742, 33978, 41259, 46113, 55012, 61484, 67956, 82518, 92226, 96271, 107597, 165036, 184452, 192542, 215194, 261307, 288813, 322791, 385084, 430388, 522614, 577626, 645582, 783921, 1045228, 1155252, 1291164, 1567842, 1829149, 3135684, 3658298, 5487447, 7316596, 10974894, 21949788]

約数ペア:

[(1, 21949788), (2, 10974894), (3, 7316596), (4, 5487447), (6, 3658298), (7, 3135684), (12, 1829149), (14, 1567842), (17, 1291164), (19, 1155252), (21, 1045228), (28, 783921), (34, 645582), (38, 577626), (42, 522614), (51, 430388), (57, 385084), (68, 322791), (76, 288813), (84, 261307), (102, 215194), (114, 192542), (119, 184452), (133, 165036), (204, 107597), (228, 96271), (238, 92226), (266, 82518), (323, 67956), (357, 61484), (399, 55012), (476, 46113), (532, 41259), (646, 33978), (714, 30742), (798, 27506), (809, 27132), (969, 22652), (1292, 16989), (1428, 15371), (1596, 13753), (1618, 13566), (1938, 11326), (2261, 9708), (2427, 9044), (3236, 6783), (3876, 5663), (4522, 4854)]