21871164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3137}}^1$

素因数の和:3234

約数の個数: 48

約数和(自身を含む): 59044608

約数和(自身を除く): 37173444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3137, 3486, 6274, 6972, 9411, 12548, 18822, 21959, 37644, 43918, 65877, 87836, 131754, 260371, 263508, 520742, 781113, 1041484, 1562226, 1822597, 3124452, 3645194, 5467791, 7290388, 10935582, 21871164]

約数ペア:

[(1, 21871164), (2, 10935582), (3, 7290388), (4, 5467791), (6, 3645194), (7, 3124452), (12, 1822597), (14, 1562226), (21, 1041484), (28, 781113), (42, 520742), (83, 263508), (84, 260371), (166, 131754), (249, 87836), (332, 65877), (498, 43918), (581, 37644), (996, 21959), (1162, 18822), (1743, 12548), (2324, 9411), (3137, 6972), (3486, 6274)]