21152548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12101}}^1$

素因数の和:12147

約数の個数: 24

約数和(自身を含む): 40662720

約数和(自身を除く): 19510172

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 12101, 24202, 48404, 229919, 278323, 459838, 556646, 919676, 1113292, 5288137, 10576274, 21152548]

約数ペア:

[(1, 21152548), (2, 10576274), (4, 5288137), (19, 1113292), (23, 919676), (38, 556646), (46, 459838), (76, 278323), (92, 229919), (437, 48404), (874, 24202), (1748, 12101)]