21412160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 168

約数和(自身を含む): 64861440

約数和(自身を除く): 43449280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 79, 80, 88, 110, 112, 121, 140, 154, 158, 160, 176, 220, 224, 242, 280, 308, 316, 320, 352, 385, 395, 440, 448, 484, 553, 560, 605, 616, 632, 704, 770, 790, 847, 869, 880, 968, 1106, 1120, 1210, 1232, 1264, 1540, 1580, 1694, 1738, 1760, 1936, 2212, 2240, 2420, 2464, 2528, 2765, 3080, 3160, 3388, 3476, 3520, 3872, 4235, 4345, 4424, 4840, 4928, 5056, 5530, 6083, 6160, 6320, 6776, 6952, 7744, 8470, 8690, 8848, 9559, 9680, 11060, 12166, 12320, 12640, 13552, 13904, 16940, 17380, 17696, 19118, 19360, 22120, 24332, 24640, 25280, 27104, 27808, 30415, 33880, 34760, 35392, 38236, 38720, 44240, 47795, 48664, 54208, 55616, 60830, 66913, 67760, 69520, 76472, 88480, 95590, 97328, 121660, 133826, 135520, 139040, 152944, 176960, 191180, 194656, 243320, 267652, 271040, 278080, 305888, 334565, 382360, 389312, 486640, 535304, 611776, 669130, 764720, 973280, 1070608, 1338260, 1529440, 1946560, 2141216, 2676520, 3058880, 4282432, 5353040, 10706080, 21412160]

約数ペア:

[(1, 21412160), (2, 10706080), (4, 5353040), (5, 4282432), (7, 3058880), (8, 2676520), (10, 2141216), (11, 1946560), (14, 1529440), (16, 1338260), (20, 1070608), (22, 973280), (28, 764720), (32, 669130), (35, 611776), (40, 535304), (44, 486640), (55, 389312), (56, 382360), (64, 334565), (70, 305888), (77, 278080), (79, 271040), (80, 267652), (88, 243320), (110, 194656), (112, 191180), (121, 176960), (140, 152944), (154, 139040), (158, 135520), (160, 133826), (176, 121660), (220, 97328), (224, 95590), (242, 88480), (280, 76472), (308, 69520), (316, 67760), (320, 66913), (352, 60830), (385, 55616), (395, 54208), (440, 48664), (448, 47795), (484, 44240), (553, 38720), (560, 38236), (605, 35392), (616, 34760), (632, 33880), (704, 30415), (770, 27808), (790, 27104), (847, 25280), (869, 24640), (880, 24332), (968, 22120), (1106, 19360), (1120, 19118), (1210, 17696), (1232, 17380), (1264, 16940), (1540, 13904), (1580, 13552), (1694, 12640), (1738, 12320), (1760, 12166), (1936, 11060), (2212, 9680), (2240, 9559), (2420, 8848), (2464, 8690), (2528, 8470), (2765, 7744), (3080, 6952), (3160, 6776), (3388, 6320), (3476, 6160), (3520, 6083), (3872, 5530), (4235, 5056), (4345, 4928), (4424, 4840)]