21452824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1249}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 42750000

約数和(自身を除く): 21297176

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1249, 2147, 2498, 4294, 4996, 8588, 9992, 17176, 23731, 47462, 94924, 141137, 189848, 282274, 564548, 1129096, 2681603, 5363206, 10726412, 21452824]

約数ペア:

[(1, 21452824), (2, 10726412), (4, 5363206), (8, 2681603), (19, 1129096), (38, 564548), (76, 282274), (113, 189848), (152, 141137), (226, 94924), (452, 47462), (904, 23731), (1249, 17176), (2147, 9992), (2498, 8588), (4294, 4996)]