21654500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 34954780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 269, 322, 350, 460, 500, 538, 575, 644, 700, 805, 875, 1076, 1150, 1345, 1610, 1750, 1883, 2300, 2690, 2875, 3220, 3500, 3766, 4025, 5380, 5750, 6187, 6725, 7532, 8050, 9415, 11500, 12374, 13450, 16100, 18830, 20125, 24748, 26900, 30935, 33625, 37660, 40250, 43309, 47075, 61870, 67250, 80500, 86618, 94150, 123740, 134500, 154675, 173236, 188300, 216545, 235375, 309350, 433090, 470750, 618700, 773375, 866180, 941500, 1082725, 1546750, 2165450, 3093500, 4330900, 5413625, 10827250, 21654500]

約数ペア:

[(1, 21654500), (2, 10827250), (4, 5413625), (5, 4330900), (7, 3093500), (10, 2165450), (14, 1546750), (20, 1082725), (23, 941500), (25, 866180), (28, 773375), (35, 618700), (46, 470750), (50, 433090), (70, 309350), (92, 235375), (100, 216545), (115, 188300), (125, 173236), (140, 154675), (161, 134500), (175, 123740), (230, 94150), (250, 86618), (269, 80500), (322, 67250), (350, 61870), (460, 47075), (500, 43309), (538, 40250), (575, 37660), (644, 33625), (700, 30935), (805, 26900), (875, 24748), (1076, 20125), (1150, 18830), (1345, 16100), (1610, 13450), (1750, 12374), (1883, 11500), (2300, 9415), (2690, 8050), (2875, 7532), (3220, 6725), (3500, 6187), (3766, 5750), (4025, 5380)]