21315882

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72503}}^1$

素因数の和:72522

約数の個数: 24

約数和(自身を含む): 49592736

約数和(自身を除く): 28276854

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72503, 145006, 217509, 435018, 507521, 1015042, 1522563, 3045126, 3552647, 7105294, 10657941, 21315882]

約数ペア:

[(1, 21315882), (2, 10657941), (3, 7105294), (6, 3552647), (7, 3045126), (14, 1522563), (21, 1015042), (42, 507521), (49, 435018), (98, 217509), (147, 145006), (294, 72503)]