21712908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258487}}^1$

素因数の和:258501

約数の個数: 24

約数和(自身を含む): 57901312

約数和(自身を除く): 36188404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258487, 516974, 775461, 1033948, 1550922, 1809409, 3101844, 3618818, 5428227, 7237636, 10856454, 21712908]

約数ペア:

[(1, 21712908), (2, 10856454), (3, 7237636), (4, 5428227), (6, 3618818), (7, 3101844), (12, 1809409), (14, 1550922), (21, 1033948), (28, 775461), (42, 516974), (84, 258487)]