21119592

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 59028480

約数和(自身を除く): 37908888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 127, 156, 164, 169, 246, 254, 312, 328, 338, 381, 492, 507, 508, 533, 676, 762, 984, 1014, 1016, 1066, 1352, 1524, 1599, 1651, 2028, 2132, 3048, 3198, 3302, 4056, 4264, 4953, 5207, 6396, 6604, 6929, 9906, 10414, 12792, 13208, 13858, 15621, 19812, 20787, 20828, 21463, 27716, 31242, 39624, 41574, 41656, 42926, 55432, 62484, 64389, 67691, 83148, 85852, 124968, 128778, 135382, 166296, 171704, 203073, 257556, 270764, 406146, 515112, 541528, 812292, 879983, 1624584, 1759966, 2639949, 3519932, 5279898, 7039864, 10559796, 21119592]

約数ペア:

[(1, 21119592), (2, 10559796), (3, 7039864), (4, 5279898), (6, 3519932), (8, 2639949), (12, 1759966), (13, 1624584), (24, 879983), (26, 812292), (39, 541528), (41, 515112), (52, 406146), (78, 270764), (82, 257556), (104, 203073), (123, 171704), (127, 166296), (156, 135382), (164, 128778), (169, 124968), (246, 85852), (254, 83148), (312, 67691), (328, 64389), (338, 62484), (381, 55432), (492, 42926), (507, 41656), (508, 41574), (533, 39624), (676, 31242), (762, 27716), (984, 21463), (1014, 20828), (1016, 20787), (1066, 19812), (1352, 15621), (1524, 13858), (1599, 13208), (1651, 12792), (2028, 10414), (2132, 9906), (3048, 6929), (3198, 6604), (3302, 6396), (4056, 5207), (4264, 4953)]