2021061942

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:747

約数の個数: 80

約数和(自身を含む): 4590614160

約数和(自身を除く): 2569552218

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 229, 314, 347, 458, 471, 687, 694, 942, 1041, 1374, 1413, 2061, 2082, 2826, 3123, 4122, 4239, 6183, 6246, 8478, 9369, 12366, 12717, 18549, 18738, 25434, 28107, 35953, 37098, 54479, 56214, 71906, 79463, 107859, 108958, 158926, 163437, 215718, 238389, 323577, 326874, 476778, 490311, 647154, 715167, 970731, 980622, 1430334, 1470933, 1941462, 2145501, 2912193, 2941866, 4291002, 4412799, 5824386, 6436503, 8825598, 12475691, 12873006, 24951382, 37427073, 74854146, 112281219, 224562438, 336843657, 673687314, 1010530971, 2021061942]

約数ペア:

[(1, 2021061942), (2, 1010530971), (3, 673687314), (6, 336843657), (9, 224562438), (18, 112281219), (27, 74854146), (54, 37427073), (81, 24951382), (157, 12873006), (162, 12475691), (229, 8825598), (314, 6436503), (347, 5824386), (458, 4412799), (471, 4291002), (687, 2941866), (694, 2912193), (942, 2145501), (1041, 1941462), (1374, 1470933), (1413, 1430334), (2061, 980622), (2082, 970731), (2826, 715167), (3123, 647154), (4122, 490311), (4239, 476778), (6183, 326874), (6246, 323577), (8478, 238389), (9369, 215718), (12366, 163437), (12717, 158926), (18549, 108958), (18738, 107859), (25434, 79463), (28107, 71906), (35953, 56214), (37098, 54479)]