21254346

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 50054400

約数和(自身を除く): 28800054

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 109, 138, 157, 207, 218, 314, 327, 414, 471, 621, 654, 942, 981, 1242, 1413, 1962, 2507, 2826, 2943, 3611, 4239, 5014, 5886, 7222, 7521, 8478, 10833, 15042, 17113, 21666, 22563, 32499, 34226, 45126, 51339, 64998, 67689, 97497, 102678, 135378, 154017, 194994, 308034, 393599, 462051, 787198, 924102, 1180797, 2361594, 3542391, 7084782, 10627173, 21254346]

約数ペア:

[(1, 21254346), (2, 10627173), (3, 7084782), (6, 3542391), (9, 2361594), (18, 1180797), (23, 924102), (27, 787198), (46, 462051), (54, 393599), (69, 308034), (109, 194994), (138, 154017), (157, 135378), (207, 102678), (218, 97497), (314, 67689), (327, 64998), (414, 51339), (471, 45126), (621, 34226), (654, 32499), (942, 22563), (981, 21666), (1242, 17113), (1413, 15042), (1962, 10833), (2507, 8478), (2826, 7521), (2943, 7222), (3611, 5886), (4239, 5014)]