21572388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 58476600

約数和(自身を除く): 36904212

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 349, 404, 606, 612, 698, 909, 1047, 1212, 1396, 1717, 1818, 2094, 3141, 3434, 3636, 4188, 5151, 5933, 6282, 6868, 10302, 11866, 12564, 15453, 17799, 20604, 23732, 30906, 35249, 35598, 53397, 61812, 70498, 71196, 105747, 106794, 140996, 211494, 213588, 317241, 422988, 599233, 634482, 1198466, 1268964, 1797699, 2396932, 3595398, 5393097, 7190796, 10786194, 21572388]

約数ペア:

[(1, 21572388), (2, 10786194), (3, 7190796), (4, 5393097), (6, 3595398), (9, 2396932), (12, 1797699), (17, 1268964), (18, 1198466), (34, 634482), (36, 599233), (51, 422988), (68, 317241), (101, 213588), (102, 211494), (153, 140996), (202, 106794), (204, 105747), (303, 71196), (306, 70498), (349, 61812), (404, 53397), (606, 35598), (612, 35249), (698, 30906), (909, 23732), (1047, 20604), (1212, 17799), (1396, 15453), (1717, 12564), (1818, 11866), (2094, 10302), (3141, 6868), (3434, 6282), (3636, 5933), (4188, 5151)]