21427592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 43003200

約数和(自身を除く): 21575608

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2311, 2318, 4622, 4636, 9244, 9272, 18488, 43909, 87818, 140971, 175636, 281942, 351272, 563884, 1127768, 2678449, 5356898, 10713796, 21427592]

約数ペア:

[(1, 21427592), (2, 10713796), (4, 5356898), (8, 2678449), (19, 1127768), (38, 563884), (61, 351272), (76, 281942), (122, 175636), (152, 140971), (244, 87818), (488, 43909), (1159, 18488), (2311, 9272), (2318, 9244), (4622, 4636)]