21090132

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:587

約数の個数: 120

約数和(自身を含む): 66838464

約数和(自身を除く): 45748332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 547, 567, 612, 714, 756, 918, 1071, 1094, 1134, 1377, 1428, 1641, 1836, 2142, 2188, 2268, 2754, 3213, 3282, 3829, 4284, 4923, 5508, 6426, 6564, 7658, 9299, 9639, 9846, 11487, 12852, 14769, 15316, 18598, 19278, 19692, 22974, 27897, 29538, 34461, 37196, 38556, 44307, 45948, 55794, 59076, 65093, 68922, 83691, 88614, 103383, 111588, 130186, 137844, 167382, 177228, 195279, 206766, 251073, 260372, 310149, 334764, 390558, 413532, 502146, 585837, 620298, 753219, 781116, 1004292, 1171674, 1240596, 1506438, 1757511, 2343348, 3012876, 3515022, 5272533, 7030044, 10545066, 21090132]

約数ペア:

[(1, 21090132), (2, 10545066), (3, 7030044), (4, 5272533), (6, 3515022), (7, 3012876), (9, 2343348), (12, 1757511), (14, 1506438), (17, 1240596), (18, 1171674), (21, 1004292), (27, 781116), (28, 753219), (34, 620298), (36, 585837), (42, 502146), (51, 413532), (54, 390558), (63, 334764), (68, 310149), (81, 260372), (84, 251073), (102, 206766), (108, 195279), (119, 177228), (126, 167382), (153, 137844), (162, 130186), (189, 111588), (204, 103383), (238, 88614), (252, 83691), (306, 68922), (324, 65093), (357, 59076), (378, 55794), (459, 45948), (476, 44307), (547, 38556), (567, 37196), (612, 34461), (714, 29538), (756, 27897), (918, 22974), (1071, 19692), (1094, 19278), (1134, 18598), (1377, 15316), (1428, 14769), (1641, 12852), (1836, 11487), (2142, 9846), (2188, 9639), (2268, 9299), (2754, 7658), (3213, 6564), (3282, 6426), (3829, 5508), (4284, 4923)]