21536768

素因数分解:

$2^{13}\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 56

約数和(自身を含む): 47183040

約数和(自身を除く): 25646272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 239, 256, 352, 478, 512, 704, 956, 1024, 1408, 1912, 2048, 2629, 2816, 3824, 4096, 5258, 5632, 7648, 8192, 10516, 11264, 15296, 21032, 22528, 30592, 42064, 45056, 61184, 84128, 90112, 122368, 168256, 244736, 336512, 489472, 673024, 978944, 1346048, 1957888, 2692096, 5384192, 10768384, 21536768]

約数ペア:

[(1, 21536768), (2, 10768384), (4, 5384192), (8, 2692096), (11, 1957888), (16, 1346048), (22, 978944), (32, 673024), (44, 489472), (64, 336512), (88, 244736), (128, 168256), (176, 122368), (239, 90112), (256, 84128), (352, 61184), (478, 45056), (512, 42064), (704, 30592), (956, 22528), (1024, 21032), (1408, 15296), (1912, 11264), (2048, 10516), (2629, 8192), (2816, 7648), (3824, 5632), (4096, 5258)]