21466560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:458

約数の個数: 112

約数和(自身を含む): 69494400

約数和(自身を除く): 48027840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 160, 177, 192, 236, 240, 295, 320, 354, 379, 472, 480, 590, 708, 758, 885, 944, 960, 1137, 1180, 1416, 1516, 1770, 1888, 1895, 2274, 2360, 2832, 3032, 3540, 3776, 3790, 4548, 4720, 5664, 5685, 6064, 7080, 7580, 9096, 9440, 11328, 11370, 12128, 14160, 15160, 18192, 18880, 22361, 22740, 24256, 28320, 30320, 36384, 44722, 45480, 56640, 60640, 67083, 72768, 89444, 90960, 111805, 121280, 134166, 178888, 181920, 223610, 268332, 335415, 357776, 363840, 447220, 536664, 670830, 715552, 894440, 1073328, 1341660, 1431104, 1788880, 2146656, 2683320, 3577760, 4293312, 5366640, 7155520, 10733280, 21466560]

約数ペア:

[(1, 21466560), (2, 10733280), (3, 7155520), (4, 5366640), (5, 4293312), (6, 3577760), (8, 2683320), (10, 2146656), (12, 1788880), (15, 1431104), (16, 1341660), (20, 1073328), (24, 894440), (30, 715552), (32, 670830), (40, 536664), (48, 447220), (59, 363840), (60, 357776), (64, 335415), (80, 268332), (96, 223610), (118, 181920), (120, 178888), (160, 134166), (177, 121280), (192, 111805), (236, 90960), (240, 89444), (295, 72768), (320, 67083), (354, 60640), (379, 56640), (472, 45480), (480, 44722), (590, 36384), (708, 30320), (758, 28320), (885, 24256), (944, 22740), (960, 22361), (1137, 18880), (1180, 18192), (1416, 15160), (1516, 14160), (1770, 12128), (1888, 11370), (1895, 11328), (2274, 9440), (2360, 9096), (2832, 7580), (3032, 7080), (3540, 6064), (3776, 5685), (3790, 5664), (4548, 4720)]