21829216

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 44715888

約数和(自身を除く): 22886672

約数列:

[1, 2, 4, 8, 16, 32, 53, 61, 106, 122, 211, 212, 244, 422, 424, 488, 844, 848, 976, 1688, 1696, 1952, 3233, 3376, 6466, 6752, 11183, 12871, 12932, 22366, 25742, 25864, 44732, 51484, 51728, 89464, 102968, 103456, 178928, 205936, 357856, 411872, 682163, 1364326, 2728652, 5457304, 10914608, 21829216]

約数ペア:

[(1, 21829216), (2, 10914608), (4, 5457304), (8, 2728652), (16, 1364326), (32, 682163), (53, 411872), (61, 357856), (106, 205936), (122, 178928), (211, 103456), (212, 102968), (244, 89464), (422, 51728), (424, 51484), (488, 44732), (844, 25864), (848, 25742), (976, 22366), (1688, 12932), (1696, 12871), (1952, 11183), (3233, 6752), (3376, 6466)]