21167520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 76930560

約数和(自身を除く): 55763040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 211, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 422, 440, 456, 480, 528, 570, 608, 627, 633, 660, 760, 836, 844, 880, 912, 1045, 1055, 1056, 1140, 1254, 1266, 1320, 1520, 1672, 1688, 1760, 1824, 2090, 2110, 2280, 2321, 2508, 2532, 2640, 3040, 3135, 3165, 3344, 3376, 4009, 4180, 4220, 4560, 4642, 5016, 5064, 5280, 6270, 6330, 6688, 6752, 6963, 8018, 8360, 8440, 9120, 9284, 10032, 10128, 11605, 12027, 12540, 12660, 13926, 16036, 16720, 16880, 18568, 20045, 20064, 20256, 23210, 24054, 25080, 25320, 27852, 32072, 33440, 33760, 34815, 37136, 40090, 44099, 46420, 48108, 50160, 50640, 55704, 60135, 64144, 69630, 74272, 80180, 88198, 92840, 96216, 100320, 101280, 111408, 120270, 128288, 132297, 139260, 160360, 176396, 185680, 192432, 220495, 222816, 240540, 264594, 278520, 320720, 352792, 371360, 384864, 440990, 481080, 529188, 557040, 641440, 661485, 705584, 881980, 962160, 1058376, 1114080, 1322970, 1411168, 1763960, 1924320, 2116752, 2645940, 3527920, 4233504, 5291880, 7055840, 10583760, 21167520]

約数ペア:

[(1, 21167520), (2, 10583760), (3, 7055840), (4, 5291880), (5, 4233504), (6, 3527920), (8, 2645940), (10, 2116752), (11, 1924320), (12, 1763960), (15, 1411168), (16, 1322970), (19, 1114080), (20, 1058376), (22, 962160), (24, 881980), (30, 705584), (32, 661485), (33, 641440), (38, 557040), (40, 529188), (44, 481080), (48, 440990), (55, 384864), (57, 371360), (60, 352792), (66, 320720), (76, 278520), (80, 264594), (88, 240540), (95, 222816), (96, 220495), (110, 192432), (114, 185680), (120, 176396), (132, 160360), (152, 139260), (160, 132297), (165, 128288), (176, 120270), (190, 111408), (209, 101280), (211, 100320), (220, 96216), (228, 92840), (240, 88198), (264, 80180), (285, 74272), (304, 69630), (330, 64144), (352, 60135), (380, 55704), (418, 50640), (422, 50160), (440, 48108), (456, 46420), (480, 44099), (528, 40090), (570, 37136), (608, 34815), (627, 33760), (633, 33440), (660, 32072), (760, 27852), (836, 25320), (844, 25080), (880, 24054), (912, 23210), (1045, 20256), (1055, 20064), (1056, 20045), (1140, 18568), (1254, 16880), (1266, 16720), (1320, 16036), (1520, 13926), (1672, 12660), (1688, 12540), (1760, 12027), (1824, 11605), (2090, 10128), (2110, 10032), (2280, 9284), (2321, 9120), (2508, 8440), (2532, 8360), (2640, 8018), (3040, 6963), (3135, 6752), (3165, 6688), (3344, 6330), (3376, 6270), (4009, 5280), (4180, 5064), (4220, 5016), (4560, 4642)]