21951360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 78605280

約数和(自身を除く): 56653920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 103, 111, 120, 128, 144, 148, 160, 180, 185, 192, 206, 222, 240, 288, 296, 309, 320, 333, 360, 370, 384, 412, 444, 480, 515, 555, 576, 592, 618, 640, 666, 720, 740, 824, 888, 927, 960, 1030, 1110, 1152, 1184, 1236, 1332, 1440, 1480, 1545, 1648, 1665, 1776, 1854, 1920, 2060, 2220, 2368, 2472, 2664, 2880, 2960, 3090, 3296, 3330, 3552, 3708, 3811, 4120, 4440, 4635, 4736, 4944, 5328, 5760, 5920, 6180, 6592, 6660, 7104, 7416, 7622, 8240, 8880, 9270, 9888, 10656, 11433, 11840, 12360, 13184, 13320, 14208, 14832, 15244, 16480, 17760, 18540, 19055, 19776, 21312, 22866, 23680, 24720, 26640, 29664, 30488, 32960, 34299, 35520, 37080, 38110, 39552, 42624, 45732, 49440, 53280, 57165, 59328, 60976, 65920, 68598, 71040, 74160, 76220, 91464, 98880, 106560, 114330, 118656, 121952, 137196, 148320, 152440, 171495, 182928, 197760, 213120, 228660, 243904, 274392, 296640, 304880, 342990, 365856, 457320, 487808, 548784, 593280, 609760, 685980, 731712, 914640, 1097568, 1219520, 1371960, 1463424, 1829280, 2195136, 2439040, 2743920, 3658560, 4390272, 5487840, 7317120, 10975680, 21951360]

約数ペア:

[(1, 21951360), (2, 10975680), (3, 7317120), (4, 5487840), (5, 4390272), (6, 3658560), (8, 2743920), (9, 2439040), (10, 2195136), (12, 1829280), (15, 1463424), (16, 1371960), (18, 1219520), (20, 1097568), (24, 914640), (30, 731712), (32, 685980), (36, 609760), (37, 593280), (40, 548784), (45, 487808), (48, 457320), (60, 365856), (64, 342990), (72, 304880), (74, 296640), (80, 274392), (90, 243904), (96, 228660), (103, 213120), (111, 197760), (120, 182928), (128, 171495), (144, 152440), (148, 148320), (160, 137196), (180, 121952), (185, 118656), (192, 114330), (206, 106560), (222, 98880), (240, 91464), (288, 76220), (296, 74160), (309, 71040), (320, 68598), (333, 65920), (360, 60976), (370, 59328), (384, 57165), (412, 53280), (444, 49440), (480, 45732), (515, 42624), (555, 39552), (576, 38110), (592, 37080), (618, 35520), (640, 34299), (666, 32960), (720, 30488), (740, 29664), (824, 26640), (888, 24720), (927, 23680), (960, 22866), (1030, 21312), (1110, 19776), (1152, 19055), (1184, 18540), (1236, 17760), (1332, 16480), (1440, 15244), (1480, 14832), (1545, 14208), (1648, 13320), (1665, 13184), (1776, 12360), (1854, 11840), (1920, 11433), (2060, 10656), (2220, 9888), (2368, 9270), (2472, 8880), (2664, 8240), (2880, 7622), (2960, 7416), (3090, 7104), (3296, 6660), (3330, 6592), (3552, 6180), (3708, 5920), (3811, 5760), (4120, 5328), (4440, 4944), (4635, 4736)]