21155508

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 59806656

約数和(自身を除く): 38651148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 41, 44, 66, 82, 99, 123, 132, 164, 198, 246, 369, 396, 451, 492, 738, 902, 1303, 1353, 1476, 1804, 2606, 2706, 3909, 4059, 5212, 5412, 7818, 8118, 11727, 14333, 15636, 16236, 23454, 28666, 42999, 46908, 53423, 57332, 85998, 106846, 128997, 160269, 171996, 213692, 257994, 320538, 480807, 515988, 587653, 641076, 961614, 1175306, 1762959, 1923228, 2350612, 3525918, 5288877, 7051836, 10577754, 21155508]

約数ペア:

[(1, 21155508), (2, 10577754), (3, 7051836), (4, 5288877), (6, 3525918), (9, 2350612), (11, 1923228), (12, 1762959), (18, 1175306), (22, 961614), (33, 641076), (36, 587653), (41, 515988), (44, 480807), (66, 320538), (82, 257994), (99, 213692), (123, 171996), (132, 160269), (164, 128997), (198, 106846), (246, 85998), (369, 57332), (396, 53423), (451, 46908), (492, 42999), (738, 28666), (902, 23454), (1303, 16236), (1353, 15636), (1476, 14333), (1804, 11727), (2606, 8118), (2706, 7818), (3909, 5412), (4059, 5212)]