21468480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 224

約数和(自身を含む): 79004160

約数和(自身を除く): 57535680

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, 64, 66, 76, 80, 88, 95, 96, 107, 110, 114, 120, 132, 152, 160, 165, 176, 190, 192, 209, 214, 220, 228, 240, 264, 285, 304, 320, 321, 330, 352, 380, 418, 428, 440, 456, 480, 528, 535, 570, 608, 627, 642, 660, 704, 760, 836, 856, 880, 912, 960, 1045, 1056, 1070, 1140, 1177, 1216, 1254, 1284, 1320, 1520, 1605, 1672, 1712, 1760, 1824, 2033, 2090, 2112, 2140, 2280, 2354, 2508, 2568, 2640, 3040, 3135, 3210, 3344, 3424, 3520, 3531, 3648, 4066, 4180, 4280, 4560, 4708, 5016, 5136, 5280, 5885, 6080, 6099, 6270, 6420, 6688, 6848, 7062, 8132, 8360, 8560, 9120, 9416, 10032, 10165, 10272, 10560, 11770, 12198, 12540, 12840, 13376, 14124, 16264, 16720, 17120, 17655, 18240, 18832, 20064, 20330, 20544, 22363, 23540, 24396, 25080, 25680, 28248, 30495, 32528, 33440, 34240, 35310, 37664, 40128, 40660, 44726, 47080, 48792, 50160, 51360, 56496, 60990, 65056, 66880, 67089, 70620, 75328, 81320, 89452, 94160, 97584, 100320, 102720, 111815, 112992, 121980, 130112, 134178, 141240, 162640, 178904, 188320, 195168, 200640, 223630, 225984, 243960, 268356, 282480, 325280, 335445, 357808, 376640, 390336, 447260, 487920, 536712, 564960, 650560, 670890, 715616, 894520, 975840, 1073424, 1129920, 1341780, 1431232, 1789040, 1951680, 2146848, 2683560, 3578080, 4293696, 5367120, 7156160, 10734240, 21468480]

約数ペア:

[(1, 21468480), (2, 10734240), (3, 7156160), (4, 5367120), (5, 4293696), (6, 3578080), (8, 2683560), (10, 2146848), (11, 1951680), (12, 1789040), (15, 1431232), (16, 1341780), (19, 1129920), (20, 1073424), (22, 975840), (24, 894520), (30, 715616), (32, 670890), (33, 650560), (38, 564960), (40, 536712), (44, 487920), (48, 447260), (55, 390336), (57, 376640), (60, 357808), (64, 335445), (66, 325280), (76, 282480), (80, 268356), (88, 243960), (95, 225984), (96, 223630), (107, 200640), (110, 195168), (114, 188320), (120, 178904), (132, 162640), (152, 141240), (160, 134178), (165, 130112), (176, 121980), (190, 112992), (192, 111815), (209, 102720), (214, 100320), (220, 97584), (228, 94160), (240, 89452), (264, 81320), (285, 75328), (304, 70620), (320, 67089), (321, 66880), (330, 65056), (352, 60990), (380, 56496), (418, 51360), (428, 50160), (440, 48792), (456, 47080), (480, 44726), (528, 40660), (535, 40128), (570, 37664), (608, 35310), (627, 34240), (642, 33440), (660, 32528), (704, 30495), (760, 28248), (836, 25680), (856, 25080), (880, 24396), (912, 23540), (960, 22363), (1045, 20544), (1056, 20330), (1070, 20064), (1140, 18832), (1177, 18240), (1216, 17655), (1254, 17120), (1284, 16720), (1320, 16264), (1520, 14124), (1605, 13376), (1672, 12840), (1712, 12540), (1760, 12198), (1824, 11770), (2033, 10560), (2090, 10272), (2112, 10165), (2140, 10032), (2280, 9416), (2354, 9120), (2508, 8560), (2568, 8360), (2640, 8132), (3040, 7062), (3135, 6848), (3210, 6688), (3344, 6420), (3424, 6270), (3520, 6099), (3531, 6080), (3648, 5885), (4066, 5280), (4180, 5136), (4280, 5016), (4560, 4708)]