21413266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17754734

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 1019, 1106, 1501, 2038, 3002, 7133, 10507, 14266, 19361, 21014, 38722, 80501, 135527, 161002, 271054, 563507, 1127014, 1529519, 3059038, 10706633, 21413266]

約数ペア:

[(1, 21413266), (2, 10706633), (7, 3059038), (14, 1529519), (19, 1127014), (38, 563507), (79, 271054), (133, 161002), (158, 135527), (266, 80501), (553, 38722), (1019, 21014), (1106, 19361), (1501, 14266), (2038, 10507), (3002, 7133)]