21645684

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 59136000

約数和(自身を除く): 37490316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 59, 79, 86, 108, 118, 129, 158, 172, 177, 236, 237, 258, 316, 354, 387, 474, 516, 531, 708, 711, 774, 948, 1062, 1161, 1422, 1548, 1593, 2124, 2133, 2322, 2537, 2844, 3186, 3397, 4266, 4644, 4661, 5074, 6372, 6794, 7611, 8532, 9322, 10148, 10191, 13588, 13983, 15222, 18644, 20382, 22833, 27966, 30444, 30573, 40764, 41949, 45666, 55932, 61146, 68499, 83898, 91332, 91719, 122292, 125847, 136998, 167796, 183438, 200423, 251694, 273996, 366876, 400846, 503388, 601269, 801692, 1202538, 1803807, 2405076, 3607614, 5411421, 7215228, 10822842, 21645684]

約数ペア:

[(1, 21645684), (2, 10822842), (3, 7215228), (4, 5411421), (6, 3607614), (9, 2405076), (12, 1803807), (18, 1202538), (27, 801692), (36, 601269), (43, 503388), (54, 400846), (59, 366876), (79, 273996), (86, 251694), (108, 200423), (118, 183438), (129, 167796), (158, 136998), (172, 125847), (177, 122292), (236, 91719), (237, 91332), (258, 83898), (316, 68499), (354, 61146), (387, 55932), (474, 45666), (516, 41949), (531, 40764), (708, 30573), (711, 30444), (774, 27966), (948, 22833), (1062, 20382), (1161, 18644), (1422, 15222), (1548, 13983), (1593, 13588), (2124, 10191), (2133, 10148), (2322, 9322), (2537, 8532), (2844, 7611), (3186, 6794), (3397, 6372), (4266, 5074), (4644, 4661)]