21311352

素因数分解:

$2^3\times 3^2\times {\mathrm{347}}^1\times {\mathrm{853}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 57952440

約数和(自身を除く): 36641088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 347, 694, 853, 1041, 1388, 1706, 2082, 2559, 2776, 3123, 3412, 4164, 5118, 6246, 6824, 7677, 8328, 10236, 12492, 15354, 20472, 24984, 30708, 61416, 295991, 591982, 887973, 1183964, 1775946, 2367928, 2663919, 3551892, 5327838, 7103784, 10655676, 21311352]

約数ペア:

[(1, 21311352), (2, 10655676), (3, 7103784), (4, 5327838), (6, 3551892), (8, 2663919), (9, 2367928), (12, 1775946), (18, 1183964), (24, 887973), (36, 591982), (72, 295991), (347, 61416), (694, 30708), (853, 24984), (1041, 20472), (1388, 15354), (1706, 12492), (2082, 10236), (2559, 8328), (2776, 7677), (3123, 6824), (3412, 6246), (4164, 5118)]