21470508

素因数分解:

$2^2\times 3^6\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 84

約数和(自身を含む): 58147600

約数和(自身を除く): 36677092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 199, 222, 243, 324, 333, 398, 444, 486, 597, 666, 729, 796, 972, 999, 1194, 1332, 1458, 1791, 1998, 2388, 2916, 2997, 3582, 3996, 5373, 5994, 7164, 7363, 8991, 10746, 11988, 14726, 16119, 17982, 21492, 22089, 26973, 29452, 32238, 35964, 44178, 48357, 53946, 64476, 66267, 88356, 96714, 107892, 132534, 145071, 193428, 198801, 265068, 290142, 397602, 580284, 596403, 795204, 1192806, 1789209, 2385612, 3578418, 5367627, 7156836, 10735254, 21470508]

約数ペア:

[(1, 21470508), (2, 10735254), (3, 7156836), (4, 5367627), (6, 3578418), (9, 2385612), (12, 1789209), (18, 1192806), (27, 795204), (36, 596403), (37, 580284), (54, 397602), (74, 290142), (81, 265068), (108, 198801), (111, 193428), (148, 145071), (162, 132534), (199, 107892), (222, 96714), (243, 88356), (324, 66267), (333, 64476), (398, 53946), (444, 48357), (486, 44178), (597, 35964), (666, 32238), (729, 29452), (796, 26973), (972, 22089), (999, 21492), (1194, 17982), (1332, 16119), (1458, 14726), (1791, 11988), (1998, 10746), (2388, 8991), (2916, 7363), (2997, 7164), (3582, 5994), (3996, 5373)]