21637440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:717

約数の個数: 168

約数和(自身を含む): 81308448

約数和(自身を除く): 59671008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 683, 704, 720, 792, 880, 960, 990, 1056, 1320, 1366, 1440, 1584, 1760, 1980, 2049, 2112, 2640, 2732, 2880, 3168, 3415, 3520, 3960, 4098, 5280, 5464, 6147, 6336, 6830, 7513, 7920, 8196, 10245, 10560, 10928, 12294, 13660, 15026, 15840, 16392, 20490, 21856, 22539, 24588, 27320, 30052, 30735, 31680, 32784, 37565, 40980, 43712, 45078, 49176, 54640, 60104, 61470, 65568, 67617, 75130, 81960, 90156, 98352, 109280, 112695, 120208, 122940, 131136, 135234, 150260, 163920, 180312, 196704, 218560, 225390, 240416, 245880, 270468, 300520, 327840, 338085, 360624, 393408, 450780, 480832, 491760, 540936, 601040, 655680, 676170, 721248, 901560, 983520, 1081872, 1202080, 1352340, 1442496, 1803120, 1967040, 2163744, 2404160, 2704680, 3606240, 4327488, 5409360, 7212480, 10818720, 21637440]

約数ペア:

[(1, 21637440), (2, 10818720), (3, 7212480), (4, 5409360), (5, 4327488), (6, 3606240), (8, 2704680), (9, 2404160), (10, 2163744), (11, 1967040), (12, 1803120), (15, 1442496), (16, 1352340), (18, 1202080), (20, 1081872), (22, 983520), (24, 901560), (30, 721248), (32, 676170), (33, 655680), (36, 601040), (40, 540936), (44, 491760), (45, 480832), (48, 450780), (55, 393408), (60, 360624), (64, 338085), (66, 327840), (72, 300520), (80, 270468), (88, 245880), (90, 240416), (96, 225390), (99, 218560), (110, 196704), (120, 180312), (132, 163920), (144, 150260), (160, 135234), (165, 131136), (176, 122940), (180, 120208), (192, 112695), (198, 109280), (220, 98352), (240, 90156), (264, 81960), (288, 75130), (320, 67617), (330, 65568), (352, 61470), (360, 60104), (396, 54640), (440, 49176), (480, 45078), (495, 43712), (528, 40980), (576, 37565), (660, 32784), (683, 31680), (704, 30735), (720, 30052), (792, 27320), (880, 24588), (960, 22539), (990, 21856), (1056, 20490), (1320, 16392), (1366, 15840), (1440, 15026), (1584, 13660), (1760, 12294), (1980, 10928), (2049, 10560), (2112, 10245), (2640, 8196), (2732, 7920), (2880, 7513), (3168, 6830), (3415, 6336), (3520, 6147), (3960, 5464), (4098, 5280)]