21242124

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 55757520

約数和(自身を除く): 34515396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 73, 118, 137, 146, 177, 219, 236, 274, 292, 354, 411, 438, 531, 548, 657, 708, 822, 876, 1062, 1233, 1314, 1644, 2124, 2466, 2628, 4307, 4932, 8083, 8614, 10001, 12921, 16166, 17228, 20002, 24249, 25842, 30003, 32332, 38763, 40004, 48498, 51684, 60006, 72747, 77526, 90009, 96996, 120012, 145494, 155052, 180018, 290988, 360036, 590059, 1180118, 1770177, 2360236, 3540354, 5310531, 7080708, 10621062, 21242124]

約数ペア:

[(1, 21242124), (2, 10621062), (3, 7080708), (4, 5310531), (6, 3540354), (9, 2360236), (12, 1770177), (18, 1180118), (36, 590059), (59, 360036), (73, 290988), (118, 180018), (137, 155052), (146, 145494), (177, 120012), (219, 96996), (236, 90009), (274, 77526), (292, 72747), (354, 60006), (411, 51684), (438, 48498), (531, 40004), (548, 38763), (657, 32332), (708, 30003), (822, 25842), (876, 24249), (1062, 20002), (1233, 17228), (1314, 16166), (1644, 12921), (2124, 10001), (2466, 8614), (2628, 8083), (4307, 4932)]