21434160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 75852288

約数和(自身を除く): 54418128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 353, 368, 440, 460, 506, 528, 552, 660, 690, 706, 759, 880, 920, 1012, 1059, 1104, 1265, 1320, 1380, 1412, 1518, 1765, 1840, 2024, 2118, 2530, 2640, 2760, 2824, 3036, 3530, 3795, 3883, 4048, 4236, 5060, 5295, 5520, 5648, 6072, 7060, 7590, 7766, 8119, 8472, 10120, 10590, 11649, 12144, 14120, 15180, 15532, 16238, 16944, 19415, 20240, 21180, 23298, 24357, 28240, 30360, 31064, 32476, 38830, 40595, 42360, 46596, 48714, 58245, 60720, 62128, 64952, 77660, 81190, 84720, 89309, 93192, 97428, 116490, 121785, 129904, 155320, 162380, 178618, 186384, 194856, 232980, 243570, 267927, 310640, 324760, 357236, 389712, 446545, 465960, 487140, 535854, 649520, 714472, 893090, 931920, 974280, 1071708, 1339635, 1428944, 1786180, 1948560, 2143416, 2679270, 3572360, 4286832, 5358540, 7144720, 10717080, 21434160]

約数ペア:

[(1, 21434160), (2, 10717080), (3, 7144720), (4, 5358540), (5, 4286832), (6, 3572360), (8, 2679270), (10, 2143416), (11, 1948560), (12, 1786180), (15, 1428944), (16, 1339635), (20, 1071708), (22, 974280), (23, 931920), (24, 893090), (30, 714472), (33, 649520), (40, 535854), (44, 487140), (46, 465960), (48, 446545), (55, 389712), (60, 357236), (66, 324760), (69, 310640), (80, 267927), (88, 243570), (92, 232980), (110, 194856), (115, 186384), (120, 178618), (132, 162380), (138, 155320), (165, 129904), (176, 121785), (184, 116490), (220, 97428), (230, 93192), (240, 89309), (253, 84720), (264, 81190), (276, 77660), (330, 64952), (345, 62128), (353, 60720), (368, 58245), (440, 48714), (460, 46596), (506, 42360), (528, 40595), (552, 38830), (660, 32476), (690, 31064), (706, 30360), (759, 28240), (880, 24357), (920, 23298), (1012, 21180), (1059, 20240), (1104, 19415), (1265, 16944), (1320, 16238), (1380, 15532), (1412, 15180), (1518, 14120), (1765, 12144), (1840, 11649), (2024, 10590), (2118, 10120), (2530, 8472), (2640, 8119), (2760, 7766), (2824, 7590), (3036, 7060), (3530, 6072), (3795, 5648), (3883, 5520), (4048, 5295), (4236, 5060)]